diff --git a/utils/funcexp/functor_export.h b/utils/funcexp/functor_export.h
index a59a37c3d..27bd5c3d0 100644
--- a/utils/funcexp/functor_export.h
+++ b/utils/funcexp/functor_export.h
@@ -46,6 +46,8 @@ public:
     {
         fSeedSet = seedSet;
         fMultipleSeedsSet = seedSet;
+        fFirstRow = nullptr;
+        fSeeds = {};
     }
     execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);