diff --git a/test/T160-json.sh b/test/T160-json.sh
index 638afb4d..6a3e5812 100755
--- a/test/T160-json.sh
+++ b/test/T160-json.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 test_description="--format=json output"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+.  $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 test_begin_subtest "Show message: json"
 add_message "[subject]=\"json-show-subject\"" "[date]=\"Sat, 01 Jan 2000 12:00:00 -0000\"" "[bcc]=\"test_suite+bcc@notmuchmail.org\"" "[reply-to]=\"test_suite+replyto@notmuchmail.org\"" "[body]=\"json-show-message\""
diff --git a/test/T170-sexp.sh b/test/T170-sexp.sh
index af8c4b44..18084273 100755
--- a/test/T170-sexp.sh
+++ b/test/T170-sexp.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 test_description="--format=sexp output"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 test_begin_subtest "Show message: sexp"
 add_message "[subject]=\"sexp-show-subject\"" "[date]=\"Sat, 01 Jan 2000 12:00:00 -0000\"" "[bcc]=\"test_suite+bcc@notmuchmail.org\"" "[reply-to]=\"test_suite+replyto@notmuchmail.org\"" "[body]=\"sexp-show-message\""
diff --git a/test/T310-emacs.sh b/test/T310-emacs.sh
index b94236fd..1967de22 100755
--- a/test/T310-emacs.sh
+++ b/test/T310-emacs.sh
@@ -2,7 +2,7 @@
 
 test_description="emacs interface"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 EXPECTED=$NOTMUCH_SRCDIR/test/emacs.expected-output
 
diff --git a/test/T320-emacs-large-search-buffer.sh b/test/T320-emacs-large-search-buffer.sh
index d2638c8b..617985e6 100755
--- a/test/T320-emacs-large-search-buffer.sh
+++ b/test/T320-emacs-large-search-buffer.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 test_description="Emacs with large search results buffer"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 x=xxxxxxxxxx # 10
 x=$x$x$x$x$x$x$x$x$x$x # 100
diff --git a/test/T330-emacs-subject-to-filename.sh b/test/T330-emacs-subject-to-filename.sh
index 6e09a048..405b063b 100755
--- a/test/T330-emacs-subject-to-filename.sh
+++ b/test/T330-emacs-subject-to-filename.sh
@@ -2,7 +2,7 @@
 
 test_description="emacs: mail subject to filename"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 test_require_emacs
 
diff --git a/test/T350-crypto.sh b/test/T350-crypto.sh
index 4508c984..c1c1fccc 100755
--- a/test/T350-crypto.sh
+++ b/test/T350-crypto.sh
@@ -6,7 +6,7 @@
 
 test_description='PGP/MIME signature verification and decryption'
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 ##################################################
 
diff --git a/test/T355-smime.sh b/test/T355-smime.sh
index 69bdcfac..b7269686 100755
--- a/test/T355-smime.sh
+++ b/test/T355-smime.sh
@@ -2,7 +2,7 @@
 
 test_description='S/MIME signature verification and decryption'
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 test_require_emacs
 test_require_external_prereq openssl
diff --git a/test/T357-index-decryption.sh b/test/T357-index-decryption.sh
index 0d30e566..a96c1b5e 100755
--- a/test/T357-index-decryption.sh
+++ b/test/T357-index-decryption.sh
@@ -4,7 +4,7 @@
 
 test_description='indexing decrypted mail'
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 ##################################################
 
diff --git a/test/T358-emacs-protected-headers.sh b/test/T358-emacs-protected-headers.sh
index b25d7ea7..96e42bf3 100755
--- a/test/T358-emacs-protected-headers.sh
+++ b/test/T358-emacs-protected-headers.sh
@@ -2,7 +2,7 @@
 
 test_description="protected headers in emacs interface"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 # testing protected headers with emacs
 test_require_emacs
diff --git a/test/T420-emacs-test-functions.sh b/test/T420-emacs-test-functions.sh
index 22e4f01e..2dfd7c56 100755
--- a/test/T420-emacs-test-functions.sh
+++ b/test/T420-emacs-test-functions.sh
@@ -2,7 +2,7 @@
 
 test_description="emacs test function sanity"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 test_begin_subtest "emacs test function sanity"
 test_emacs_expect_t 't'
diff --git a/test/T430-emacs-address-cleaning.sh b/test/T430-emacs-address-cleaning.sh
index 640bff3f..7d3d61ff 100755
--- a/test/T430-emacs-address-cleaning.sh
+++ b/test/T430-emacs-address-cleaning.sh
@@ -2,7 +2,7 @@
 
 test_description="emacs address cleaning"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 test_require_emacs
 
diff --git a/test/T440-emacs-hello.sh b/test/T440-emacs-hello.sh
index 642aa3cc..bafccd1f 100755
--- a/test/T440-emacs-hello.sh
+++ b/test/T440-emacs-hello.sh
@@ -2,7 +2,7 @@
 
 test_description="emacs notmuch-hello view"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 EXPECTED=$NOTMUCH_SRCDIR/test/emacs.expected-output
 
diff --git a/test/T450-emacs-show.sh b/test/T450-emacs-show.sh
index 31be55f8..9d08d2cc 100755
--- a/test/T450-emacs-show.sh
+++ b/test/T450-emacs-show.sh
@@ -2,7 +2,7 @@
 
 test_description="emacs notmuch-show view"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 EXPECTED=$NOTMUCH_SRCDIR/test/emacs-show.expected-output
 
diff --git a/test/T455-emacs-charsets.sh b/test/T455-emacs-charsets.sh
index a0f4dc24..db03bb67 100755
--- a/test/T455-emacs-charsets.sh
+++ b/test/T455-emacs-charsets.sh
@@ -2,7 +2,7 @@
 
 test_description="emacs notmuch-show charset handling"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 
 UTF8_YEN=$'\xef\xbf\xa5'
diff --git a/test/T460-emacs-tree.sh b/test/T460-emacs-tree.sh
index dfc69049..405d7ee7 100755
--- a/test/T460-emacs-tree.sh
+++ b/test/T460-emacs-tree.sh
@@ -2,7 +2,7 @@
 
 test_description="emacs tree view interface"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 EXPECTED=$NOTMUCH_SRCDIR/test/emacs-tree.expected-output
 
diff --git a/test/T510-thread-replies.sh b/test/T510-thread-replies.sh
index cdb4be44..35f3ff83 100755
--- a/test/T510-thread-replies.sh
+++ b/test/T510-thread-replies.sh
@@ -10,7 +10,7 @@ test_description='test of proper handling of in-reply-to and references headers'
 # non-RFC-compliant headers'
 
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 test_begin_subtest "Use References when In-Reply-To is broken"
 add_message '[id]="foo@one.com"' \
diff --git a/test/T630-emacs-draft.sh b/test/T630-emacs-draft.sh
index 8553f022..c443f417 100755
--- a/test/T630-emacs-draft.sh
+++ b/test/T630-emacs-draft.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 test_description="Emacs Draft Handling"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 test_require_emacs
 add_email_corpus
diff --git a/test/T720-emacs-attachment-warnings.sh b/test/T720-emacs-attachment-warnings.sh
index 4e8c5d26..6e03f39d 100755
--- a/test/T720-emacs-attachment-warnings.sh
+++ b/test/T720-emacs-attachment-warnings.sh
@@ -2,7 +2,7 @@
 
 test_description="emacs attachment warnings"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 test_require_emacs
 
diff --git a/test/T730-emacs-forwarding.sh b/test/T730-emacs-forwarding.sh
index 378067ed..7b6ebf15 100755
--- a/test/T730-emacs-forwarding.sh
+++ b/test/T730-emacs-forwarding.sh
@@ -2,7 +2,7 @@
 
 test_description="emacs forwarding"
 . $(dirname "$0")/test-lib.sh || exit 1
-. $(dirname "$0")/test-lib-emacs.sh || exit 1
+. $NOTMUCH_SRCDIR/test/test-lib-emacs.sh || exit 1
 
 test_require_emacs