Index: archiva-modules/archiva-web/archiva-webapp/src/main/java/org/apache/maven/archiva/web/action/UploadAction.java
===================================================================
--- archiva-modules/archiva-web/archiva-webapp/src/main/java/org/apache/maven/archiva/web/action/UploadAction.java	(revision 673261)
+++ archiva-modules/archiva-web/archiva-webapp/src/main/java/org/apache/maven/archiva/web/action/UploadAction.java	(working copy)
@@ -448,7 +448,7 @@
 
     private File getMetadata( String targetPath )
     {
-        String artifactPath = targetPath.substring( 0, targetPath.lastIndexOf( '/' ) );
+        String artifactPath = targetPath.substring( 0, targetPath.lastIndexOf( File.separatorChar ) );
 
         return new File( artifactPath, MetadataTools.MAVEN_METADATA );
     }