diff --git a/src/frontend/wdisp/Makefile.am b/src/frontend/wdisp/Makefile.am
index 423164907..8a0f5e640 100644
--- a/src/frontend/wdisp/Makefile.am
+++ b/src/frontend/wdisp/Makefile.am
@@ -7,6 +7,7 @@ libwindisp_la_SOURCES = \
 	windisp.h	\
 	winprint.c	\
 	winprint.h	\
+	wincolor.c	\
 	ftegraf.h