diff --git a/core/src/main/java/hudson/tasks/CommandInterpreter.java b/core/src/main/java/hudson/tasks/CommandInterpreter.java
index c70ddd8a75d91bee2642232beef2d24aa1fc22ba..438f9a965f0a148283686a6ce4775568948a1d21 100644
--- a/core/src/main/java/hudson/tasks/CommandInterpreter.java
+++ b/core/src/main/java/hudson/tasks/CommandInterpreter.java
@@ -34,7 +34,7 @@ public abstract class CommandInterpreter extends Builder {
         FilePath script=null;
         try {
             try {
-                script = ws.createTextTempFile("hudson", getFileExtension(), getContents());
+                script = ws.createTextTempFile("hudson", getFileExtension(), getContents(), false);
             } catch (IOException e) {
                 Util.displayIOException(e,listener);
                 e.printStackTrace( listener.fatalError("Unable to produce a script file") );