diff --git a/core/state/database.go b/core/state/database.go
index 84732fc6c1..cef59cccfb 100644
--- a/core/state/database.go
+++ b/core/state/database.go
@@ -34,7 +34,7 @@ import (
 
 const (
 	// Number of codehash->size associations to keep.
-	codeSizeCacheSize = 1000_000 // 4 megabytes in total
+	codeSizeCacheSize = 1_000_000 // 4 megabytes in total
 
 	// Cache size granted for caching clean code.
 	codeCacheSize = 256 * 1024 * 1024