diff --git a/tools/Makefile b/tools/Makefile
index acffc1e..5420360 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -48,7 +48,7 @@ panel-test: $(panel-test_OBJS)
 embed.o: embed.c ../include/Panel.h ../config.h
 	$(CC) $(panel-embed_CFLAGS) -c embed.c
 
-message.o: message.c ../include/Panel.h
+message.o: message.c ../include/Panel.h ../config.h
 	$(CC) $(panel-message_CFLAGS) -c message.c
 
 notify.o: notify.c helper.c ../src/helper.c ../src/panel.h ../config.h
diff --git a/tools/project.conf b/tools/project.conf
index 01d1c1d..5c303d6 100644
--- a/tools/project.conf
+++ b/tools/project.conf
@@ -29,7 +29,7 @@ sources=test.c
 depends=../include/Panel.h,../config.h
 
 [message.c]
-depends=../include/Panel.h
+depends=../include/Panel.h,../config.h
 
 [notify.c]
 depends=helper.c,../src/helper.c,../src/panel.h,../config.h