diff --git a/esphome/writer.py b/esphome/writer.py
index 5edf68abb4..bda3f09df2 100644
--- a/esphome/writer.py
+++ b/esphome/writer.py
@@ -315,7 +315,7 @@ def copy_src_tree():
             continue
         # Transform path to target path name
         target = os.path.relpath(path, CORE.relative_src_path()).replace(os.path.sep, '/')
-        if target == DEFINES_H_TARGET:
+        if target in (DEFINES_H_TARGET, VERSION_H_TARGET):
             # Ignore defines.h, will be dealt with later
             continue
         if target not in source_files_copy:
@@ -341,7 +341,7 @@ def copy_src_tree():
     write_file_if_changed(ESPHOME_H_FORMAT.format(include_s),
                           CORE.relative_src_path('esphome.h'))
     write_file_if_changed(VERSION_H_FORMAT.format(__version__),
-                          CORE.relative_src_path('esphome' 'core', 'version.h'))
+                          CORE.relative_src_path('esphome', 'core', 'version.h'))
 
 
 def generate_defines_h():