diff --git a/wcap/Makefile.am b/wcap/Makefile.am
index 7dca7e946..187c5c3e2 100644
--- a/wcap/Makefile.am
+++ b/wcap/Makefile.am
@@ -12,6 +12,7 @@ wcap_decode_SOURCES =				\
 	tools_common.h				\
 	vpxenc.c				\
 	vpx_timer.h				\
+	vpx_config.h				\
 	y4minput.c				\
 	y4minput.h				\
 	wcap-decode.c				\