diff --git a/packages/fcl-db/src/sqldb/sqldb.pp b/packages/fcl-db/src/sqldb/sqldb.pp
index 5fd283c5e6..ec8ca35a2d 100644
--- a/packages/fcl-db/src/sqldb/sqldb.pp
+++ b/packages/fcl-db/src/sqldb/sqldb.pp
@@ -2118,6 +2118,7 @@ begin
   FreeAndNil(FInsertSQL);
   FreeAndNil(FDeleteSQL);
   FreeAndNil(FUpdateSQL);
+  FreeAndNil(FRefreshSQL);
   FServerIndexDefs.Free;
   inherited Destroy;
 end;