diff --git a/core/bootstrap/compiler/compiler.factor b/core/bootstrap/compiler/compiler.factor
index 5ccde88e28..04d57dff16 100755
--- a/core/bootstrap/compiler/compiler.factor
+++ b/core/bootstrap/compiler/compiler.factor
@@ -79,7 +79,7 @@ nl
 "." write flush
 
 {
-    malloc free memcpy
+    malloc calloc free memcpy
 } compile
 
 " done" print flush