diff --git a/vmap.h b/vmap.h
index 8dd90a4..0d9bf41 100644
--- a/vmap.h
+++ b/vmap.h
@@ -100,7 +100,8 @@ static inline vmap_find_res search_all_vmap(vmap *map, uint32_t key, vmap_find_r
 		/* Rare edge-case when last lane element was returned and we continue from it */
 		/* We should not try lane processing, just jump next level - but only if there */
 		/* is a next level (so last checked lane was totally filled already to full cap. */
-		if((prev.lane_abcd_next > 4) && (prev.last_found_lane_val != 0)) {
+		if(prev.lane_abcd_next > 4) { 
+			assert(prev.last_found_lane_val != 0);
 			prev = vmap_search_all_begin();
 			++level;
 			/* prev.level = level; // unnecessary, I hand-optimized out */