diff --git a/Makefile b/Makefile
index 47dd566..84f30e9 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,8 @@ CC = gcc
 CFLAGS =		\
 	-Wall		\
 	-pedantic	\
-	-Iinclude
+	-Iinclude	\
+	-MMD
 
 .PHONY: all
 all: cescal