diff -r f91eb8500d18 -r f19e2fe0855a launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/BaseHTTPLauncher.java
--- a/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/BaseHTTPLauncher.java	Sun Dec 14 19:02:46 2014 +0100
+++ b/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/BaseHTTPLauncher.java	Tue Feb 03 12:30:20 2015 +0100
@@ -685,7 +685,7 @@
                     }
                     if (now.getProtocol().equals("jar")) {
                         JarURLConnection juc = (JarURLConnection) now.openConnection();
-                        if (ignore.contains(juc.getJarFileURL())) {
+                        if (now.getFile().endsWith(".class") && ignore.contains(juc.getJarFileURL())) {
                             continue;
                         }
                     }