1 files changed, 2 insertions, 2 deletions
diff --git a/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py b/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
index e554d84326..14dcb1ae81 100644
--- a/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
+++ b/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
@@ -305,7 +305,7 @@ determine whether database file is out of date!\n")
         PlatformList = []
         for PlatformFile in self.TblFile.GetFileList(MODEL_FILE_DSC):
             try:
-                Platform = self.BuildObject[PathClass(PlatformFile), 'COMMON']
+                Platform = self.BuildObject[PathClass(PlatformFile), TAB_COMMON]
             except:
                 Platform = None
             if Platform is not None:
@@ -313,7 +313,7 @@ determine whether database file is out of date!\n")
         return PlatformList
 
     def _MapPlatform(self, Dscfile):
-        Platform = self.BuildObject[PathClass(Dscfile), 'COMMON']
+        Platform = self.BuildObject[PathClass(Dscfile), TAB_COMMON]
         if Platform is None:
             EdkLogger.error('build', PARSER_ERROR, "Failed to parser DSC file: %s" % Dscfile)
         return Platform