1 files changed, 2 insertions, 1 deletions
diff --git a/src/H5Cquery.c b/src/H5Cquery.c
index 03aadb0..33a322d 100644
--- a/src/H5Cquery.c
+++ b/src/H5Cquery.c
@@ -444,7 +444,8 @@ H5C_get_entry_ring(const H5F_t *f, haddr_t addr, H5C_ring_t *ring)
 
     /* Locate the entry at the address */
     H5C__SEARCH_INDEX(cache_ptr, addr, entry_ptr, FAIL)
-    HDassert(entry_ptr);
+    if(entry_ptr == NULL)
+        HGOTO_ERROR(H5E_CACHE, H5E_NOTFOUND, FAIL, "can't find entry in index")
 
     /* Return the ring value */
     *ring = entry_ptr->ring;