diff --git a/src/jrd/validation.cpp b/src/jrd/validation.cpp
index 64065e7382..f4a9a620a4 100644
--- a/src/jrd/validation.cpp
+++ b/src/jrd/validation.cpp
@@ -1829,8 +1829,8 @@ static RTN walk_pointer_page(	thread_db*	tdbb,
 	if (page->ppg_relation != relation->rel_id ||
 		page->ppg_sequence != sequence)
 	{
-			return corrupt(tdbb, control, VAL_P_PAGE_INCONSISTENT, relation,
-						   sequence);
+		CCH_RELEASE(tdbb, &window);
+		return corrupt(tdbb, control, VAL_P_PAGE_INCONSISTENT, relation, sequence);
 	}
 
 /* Walk the data pages (someday we may optionally walk pages with "large objects" */