diff --git a/src/Makefile.am b/src/Makefile.am
index 6eb41d8..fd2aa70 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -23,5 +23,5 @@ libcmph_la_SOURCES = util.h debug.h\
 
 libcmph_la_LDFLAGS = -version-info 0:0:0
 
-cmph_SOURCES = 	main.c wingetopt.h wingetopt.c
+cmph_SOURCES = 	main.c ../wingetopt.h ../wingetopt.c
 cmph_LDADD = libcmph.la