1 files changed, 1 insertions, 1 deletions
diff --git a/server/src/main/java/com/vaadin/server/widgetsetutils/ClassPathExplorer.java b/server/src/main/java/com/vaadin/server/widgetsetutils/ClassPathExplorer.java
index 5d1bbbfa5f..c271aec09f 100644
--- a/server/src/main/java/com/vaadin/server/widgetsetutils/ClassPathExplorer.java
+++ b/server/src/main/java/com/vaadin/server/widgetsetutils/ClassPathExplorer.java
@@ -454,7 +454,7 @@ public class ClassPathExplorer {
                     String key = dirs[i].getCanonicalPath() + "/" + name
                             + dirs[i].getName();
                     locations.put(key,
-                            new URL("file://" + dirs[i].getCanonicalPath()));
+                            dirs[i].getCanonicalFile().toURI().toURL());
                 }
             } catch (Exception ioe) {
                 return;