diff --git a/Makefile.am b/Makefile.am
index b7c09dcfbe0a061dd15d03f2d33d0712682370f2..812adb5acf01d99769115d3a2f16340b7266891f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -57,6 +57,8 @@ EXTRA_DIST =                                    \
 
 if INSTALL_HEADERS
 pkginclude_HEADERS = \
+    config.h \
+    project_specific_defines.h \
     version.h \
     svn_version.h
 endif