diff --git a/BaseTools/Source/Python/AutoGen/IncludesAutoGen.py b/BaseTools/Source/Python/AutoGen/IncludesAutoGen.py
index b06ef42573..5ec26eb98b 100644
--- a/BaseTools/Source/Python/AutoGen/IncludesAutoGen.py
+++ b/BaseTools/Source/Python/AutoGen/IncludesAutoGen.py
@@ -291,7 +291,8 @@ ${END}
                 targetitem = self.GetRealTarget(source_abs.strip(" :"))
 
                 targetitem += ": "
-                targetitem += lines[1]
+                if len(lines)>=2:
+                    targetitem += lines[1]
                 newcontent.append(targetitem)
                 newcontent.extend(lines[2:])
                 newcontent.append("\n")