diff --git a/WHATSNEW b/WHATSNEW
index 6d2bbb176..48aa35a0e 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -432,6 +432,10 @@ Fixed bugs:
    NullPointerException.
    Bugzilla Report 47623.
 
+ * WeblogicDeploymentTool could fail on platforms with a file
+   separator other than "/".
+   Bugzilla Report 35649.
+
 Other changes:
 --------------
  * The get task now also follows redirects from http to https
diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/ejb/WeblogicDeploymentTool.java b/src/main/org/apache/tools/ant/taskdefs/optional/ejb/WeblogicDeploymentTool.java
index 195066481..e1ce5553e 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/ejb/WeblogicDeploymentTool.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/ejb/WeblogicDeploymentTool.java
@@ -762,7 +762,9 @@ public class WeblogicDeploymentTool extends GenericDeploymentTool {
                             if (genericEntry.getName().endsWith(".class")) {
                                 //File are different see if its an object or an interface
                                 String classname
-                                    = genericEntry.getName().replace(File.separatorChar, '.');
+                                    = genericEntry.getName()
+                                    .replace(File.separatorChar, '.')
+                                    .replace('/', '.');
 
                                 classname = classname.substring(0, classname.lastIndexOf(".class"));