diff --git a/dlls/msi/dialog.c b/dlls/msi/dialog.c
index 799aa48f60a..2dcb8680f23 100644
--- a/dlls/msi/dialog.c
+++ b/dlls/msi/dialog.c
@@ -2247,6 +2247,7 @@ static UINT msi_listbox_add_items( struct msi_listbox_info *info, LPCWSTR proper
         return r;
 
     /* just get the number of records */
+    count = 0;
     r = MSI_IterateRecords( view, &count, NULL, NULL );
 
     info->num_items = count;