diff --git a/compat/Makefile.local b/compat/Makefile.local
index 504eb715..13f16cd3 100644
--- a/compat/Makefile.local
+++ b/compat/Makefile.local
@@ -12,3 +12,5 @@ endif
 ifneq ($(HAVE_STRCASESTR),1)
 notmuch_compat_srcs += $(dir)/strcasestr.c
 endif
+
+SRCS := $(SRCS) $(notmuch_compat_srcs)
diff --git a/test/Makefile.local b/test/Makefile.local
index fa2df734..4a6a4b12 100644
--- a/test/Makefile.local
+++ b/test/Makefile.local
@@ -28,6 +28,7 @@ test:	all test-binaries
 
 check: test
 
+SRCS := $(SRCS) $(smtp_dummy_srcs)
 CLEAN := $(CLEAN) $(dir)/smtp-dummy $(dir)/smtp-dummy.o \
 	 $(dir)/symbol-test $(dir)/symbol-test.o \
 	 $(dir)/arg-test $(dir)/arg-test.o
diff --git a/util/Makefile.local b/util/Makefile.local
index 26e4c3f3..c7cae61e 100644
--- a/util/Makefile.local
+++ b/util/Makefile.local
@@ -10,4 +10,5 @@ libutil_modules := $(libutil_c_srcs:.c=.o)
 $(dir)/libutil.a: $(libutil_modules)
 	$(call quiet,AR) rcs $@ $^
 
+SRCS := $(SRCS) $(libutil_c_srcs)
 CLEAN := $(CLEAN) $(libutil_modules) $(dir)/libutil.a