diff --git a/src/Makefile b/src/Makefile
index dd663b7..7398328 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -50,7 +50,7 @@ menubar.o: menubar.c
 message.o: message.c
 	$(CC) $(libDesktop_CFLAGS) -c message.c
 
-mime.o: mime.c
+mime.o: mime.c ../config.h
 	$(CC) $(libDesktop_CFLAGS) -c mime.c
 
 toolbar.o: toolbar.c
diff --git a/src/project.conf b/src/project.conf
index 2f5d774..1b9f47d 100644
--- a/src/project.conf
+++ b/src/project.conf
@@ -9,3 +9,6 @@ dist=Makefile
 type=library
 sources=about.c,accel.c,compat.c,help.c,menubar.c,message.c,mime.c,toolbar.c
 install=$(PREFIX)/lib
+
+[mime.c]
+depends=../config.h