diff --git a/Src/Base/AMReX_MFIter.cpp b/Src/Base/AMReX_MFIter.cpp
index 76e27b4c0e3..c761c466449 100644
--- a/Src/Base/AMReX_MFIter.cpp
+++ b/Src/Base/AMReX_MFIter.cpp
@@ -250,6 +250,9 @@ MFIter::Finalize ()
 #endif
         m_fa->clearThisBD();
     }
+    if (m_fa) {
+        m_fa.reset(nullptr);
+    }
 }
 
 void