diff --git a/BaseTools/Source/Python/Common/String.py b/BaseTools/Source/Python/Common/String.py
index 5e50beff5c..696be4c1f0 100644
--- a/BaseTools/Source/Python/Common/String.py
+++ b/BaseTools/Source/Python/Common/String.py
@@ -817,34 +817,34 @@ def GetHelpTextList(HelpTextClassList):
 def StringToArray(String):
     if isinstance(String, unicode):
         if len(unicode) == 0:
-            return "{0x00, 0x00}"
-        return "{%s, 0x00, 0x00}" % ", ".join(["0x%02x, 0x00" % ord(C) for C in String])
+            return "{0x00,0x00}"
+        return "{%s,0x00,0x00}" % ",".join(["0x%02x,0x00" % ord(C) for C in String])
     elif String.startswith('L"'):
         if String == "L\"\"":
-            return "{0x00, 0x00}"
+            return "{0x00,0x00}"
         else:
-            return "{%s, 0x00, 0x00}" % ", ".join(["0x%02x, 0x00" % ord(C) for C in String[2:-1]])
+            return "{%s,0x00,0x00}" % ",".join(["0x%02x,0x00" % ord(C) for C in String[2:-1]])
     elif String.startswith('"'):
         if String == "\"\"":
             return "{0x00,0x00}"
         else:
             StringLen = len(String[1:-1])
             if StringLen % 2:
-                return "{%s, 0x00}" % ", ".join(["0x%02x" % ord(C) for C in String[1:-1]])
+                return "{%s,0x00}" % ",".join(["0x%02x" % ord(C) for C in String[1:-1]])
             else:
-                return "{%s, 0x00,0x00}" % ", ".join(["0x%02x" % ord(C) for C in String[1:-1]])
+                return "{%s,0x00,0x00}" % ",".join(["0x%02x" % ord(C) for C in String[1:-1]])
     elif String.startswith('{'):
         StringLen = len(String.split(","))
         if StringLen % 2:
-            return "{%s, 0x00}" % ", ".join([ C for C in String[1:-1].split(',')])
+            return "{%s,0x00}" % ",".join([ C.strip() for C in String[1:-1].split(',')])
         else:
-            return "{%s}" % ", ".join([ C for C in String[1:-1].split(',')])
+            return "{%s}" % ",".join([ C.strip() for C in String[1:-1].split(',')])
         
     else:
         if len(String.split()) % 2:
-            return '{%s, 0}' % ', '.join(String.split())
+            return '{%s,0}' % ','.join(String.split())
         else:
-            return '{%s, 0,0}' % ', '.join(String.split())
+            return '{%s,0,0}' % ','.join(String.split())
 
 def StringArrayLength(String):
     if isinstance(String, unicode):