diff --git a/src/main/org/apache/tools/ant/taskdefs/ExecTask.java b/src/main/org/apache/tools/ant/taskdefs/ExecTask.java
index 06653937d..6eec69e11 100644
--- a/src/main/org/apache/tools/ant/taskdefs/ExecTask.java
+++ b/src/main/org/apache/tools/ant/taskdefs/ExecTask.java
@@ -132,6 +132,7 @@ public class ExecTask extends Task {
      */
     public void setExecutable(String value) {
         this.executable = value;
+        cmdl.setExecutable(value);
     }
 
     /**