diff --git a/legacy/elementary/src/lib/elm_genlist.c b/legacy/elementary/src/lib/elm_genlist.c
index 45dbca68a5..772069a78f 100644
--- a/legacy/elementary/src/lib/elm_genlist.c
+++ b/legacy/elementary/src/lib/elm_genlist.c
@@ -1,5 +1,6 @@
 #include <Elementary.h>
 #include <Elementary_Cursor.h>
+#include <assert.h>
 #include "elm_priv.h"
 
 #define SWIPE_MOVES         12