diff --git a/gen_makefile.py b/gen_makefile.py
index 9847d62..77af4c7 100755
--- a/gen_makefile.py
+++ b/gen_makefile.py
@@ -167,7 +167,7 @@
   return r'''
 ### {proj} ###
 
-{proj}_configure_files := $(shell find {src_proj} -name "Makefile.am" -or -name "*.in" -and -not -name "Makefile.in" )
+{proj}_configure_files := $(shell find {src_proj} -name "Makefile.am" -or -name "*.in" -and -not -name "Makefile.in" -and -not -name "config.h.in" )
 {proj}_files := $(shell find {src_proj} -name "*.[hc]" -or -name "*.py" -or -name "*.cpp" -or -name "*.tpl" -or -name "*.map")
 
 .make.{proj}.clone: