diff --git a/data/blocks.go b/data/blocks.go
index c51776c..b211c9e 100644
--- a/data/blocks.go
+++ b/data/blocks.go
@@ -75,6 +75,7 @@ func LookupBlockByStateId(version string, stateId int32) (block *Block, ok bool)
 				idmap[b.MinStateId+i] = b
 			}
 		}
+		BlocksCacheIdMap[version] = idmap
 	}
 	block, ok = idmap[stateId]
 	return