diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index c58f33d68..09b646f75 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -501,6 +501,7 @@ sub refresh () {
 					render($f);
 					$rendered{$f}=1;
 					$changes++;
+					last;
 				}
 			}
 		} while $changes;