diff --git a/BaseTools/Source/Python/Workspace/DscBuildData.py b/BaseTools/Source/Python/Workspace/DscBuildData.py
index a96502b4bf..afcf99e66b 100644
--- a/BaseTools/Source/Python/Workspace/DscBuildData.py
+++ b/BaseTools/Source/Python/Workspace/DscBuildData.py
@@ -1613,7 +1613,7 @@ class DscBuildData(PlatformBuildClassObject):
                 elif TAB_DEFAULT in pcd.SkuInfoList and TAB_COMMON in pcd.SkuInfoList:
                     del pcd.SkuInfoList[TAB_COMMON]
 
-        list((self.FilterSkuSettings, [Pcds[pcdkey] for pcdkey in Pcds if Pcds[pcdkey].Type in DynamicPcdType]))
+        list(map(self.FilterSkuSettings, [Pcds[pcdkey] for pcdkey in Pcds if Pcds[pcdkey].Type in DynamicPcdType]))
         return Pcds
     @cached_property
     def PlatformUsedPcds(self):