diff --git a/src/screen.c b/src/screen.c
index 3205d3d..1753330 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -297,7 +297,7 @@
 #endif
 }
 
-#if defined(FEAT_RUBY) || defined(FEAT_VISUAL) || \
+#if defined(FEAT_RUBY) || defined(FEAT_PERL) || defined(FEAT_VISUAL) || \
     (defined(FEAT_CLIPBOARD) && defined(FEAT_X11)) || defined(PROTO)
 /*
  * update all windows that are editing the current buffer