--- a/ui/Makefile	Mon Feb 04 14:46:11 2019 +0100
+++ b/ui/Makefile	Mon Feb 04 17:49:50 2019 +0100
@@ -43,5 +43,5 @@
 include $(TOOLKIT)/Makefile
 
 $(COMMON_OBJPRE)%.o: common/%.c
-	$(CC) -o $@ -c $(CFLAGS) $(TK_CFLAGS) $<
+	$(CC) -o $@ -c -I../ucx $(CFLAGS) $(TK_CFLAGS) $<