diff --git a/Makefile.am b/Makefile.am
index 0fb69e9..6e3798d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -9,6 +9,7 @@
 		cachegrind \
 		corecheck \
 		helgrind \
+		massif \
 		lackey \
 		none