diff --git a/Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/ModifyInfTask.java b/Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/ModifyInfTask.java
index 1339d0bcaf..a492cfdd9f 100644
--- a/Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/ModifyInfTask.java
+++ b/Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/ModifyInfTask.java
@@ -210,7 +210,7 @@ public class ModifyInfTask extends Task implements EfiDefine {
      *            string of patternStr.
      */
     public void setpatternStr(String patternStr) {
-        this.patternStr = "[" + patternStr + "]";
+        this.patternStr = patternStr;
     }
 
 	/**