diff --git a/src/main/java/com/threerings/presents/tools/GeneratedSourceMerger.java b/src/main/java/com/threerings/presents/tools/GeneratedSourceMerger.java
index acf12bb31..b490e9ade 100644
--- a/src/main/java/com/threerings/presents/tools/GeneratedSourceMerger.java
+++ b/src/main/java/com/threerings/presents/tools/GeneratedSourceMerger.java
@@ -125,5 +125,5 @@ public class GeneratedSourceMerger
     }
 
     protected final Pattern _sectionDelimiter =
-        Pattern.compile(" *// GENERATED (\\w+) (START|END|DISABLED)\n");
+        Pattern.compile(" *// GENERATED (\\w+) (START|END|DISABLED)\r?\n");
 }