diff --git a/src/main/java/net/wasdev/wlp/ant/AbstractTask.java b/src/main/java/net/wasdev/wlp/ant/AbstractTask.java
index 402e272d..ede78dd3 100644
--- a/src/main/java/net/wasdev/wlp/ant/AbstractTask.java
+++ b/src/main/java/net/wasdev/wlp/ant/AbstractTask.java
@@ -128,7 +128,7 @@ protected void initTask() {
 
         // Check for windows..
         osName = System.getProperty("os.name", "unknown").toLowerCase();
-        isWindows = osName.indexOf("windows") >= 0;
+        isWindows = osName.indexOf("windows") >= 0 && System.getenv("SHELL") == null;
 
     }