diff --git a/core/src/main/java/com/threerings/getdown/data/Application.java b/core/src/main/java/com/threerings/getdown/data/Application.java
index 2cfef495..7c20476d 100644
--- a/core/src/main/java/com/threerings/getdown/data/Application.java
+++ b/core/src/main/java/com/threerings/getdown/data/Application.java
@@ -1785,7 +1785,7 @@ protected static String encodePath (String path)
     protected int _trackingId;
 
     protected String _javaVersionProp = "java.version";
-    protected String _javaVersionRegex = "(\\d+)(?:\\.(\\d+)(?:\\.(\\d+)(_\\d+)?)?)?";
+    protected String _javaVersionRegex = "(\\d+)(?:\\.(\\d+)(?:\\.(\\d+)([_.]\\d+)?)?)?";
     protected long _javaMinVersion, _javaMaxVersion;
     protected boolean _javaExactVersionRequired;
     protected String _javaLocation;