diff --git a/lib/setup/SetupClass.php b/lib/setup/SetupClass.php
index 013668fa..d7de0145 100755
--- a/lib/setup/SetupClass.php
+++ b/lib/setup/SetupClass.php
@@ -690,7 +690,8 @@ class SetupFunctions
                         'new_query_log',
                         'spatial_ref_sys',
                         'country_name',
-                        'place_classtype_*'
+                        'place_classtype_*',
+                        'country_osm_grid'
                        );
 
         $aDropTables = array();