diff --git a/core/src/main/java/hudson/tasks/Maven.java b/core/src/main/java/hudson/tasks/Maven.java
index a1a37b34eb9b5b27a0c55052673ecb9cd1772442..c61255afcaea074188c9087b1636c49d92811e80 100644
--- a/core/src/main/java/hudson/tasks/Maven.java
+++ b/core/src/main/java/hudson/tasks/Maven.java
@@ -585,12 +585,20 @@ public class Maven extends Builder {
         }
 
         private File getExeFile(String execName) {
-            if(File.separatorChar=='\\')
-                execName += ".bat";
-
             String m2Home = Util.replaceMacro(getHome(),EnvVars.masterEnvVars);
 
-            return new File(m2Home, "bin/" + execName);
+            if(Functions.isWindows()) {
+                File exeFile = new File(m2Home, "bin/" + execName + ".bat");
+
+                // since Maven 3.3 .bat files are replaced with .cmd
+                if (!exeFile.exists()) {
+                    return new File(m2Home, "bin/" + execName + ".cmd");
+                }
+
+                return exeFile;
+            } else {
+                return new File(m2Home, "bin/" + execName);
+            }
         }
 
         /**