diff --git a/utils.asm b/utils.asm
index 880d3dd..5174ce2 100644
--- a/utils.asm
+++ b/utils.asm
@@ -17,6 +17,8 @@ memcpy:
 	; repeat rcx times
 	rep movsb
 
+	ret
+
 ; rax: upper limit
 ; returns: random num in rax
 rand: