diff --git a/lib/bytesutil/internstring.go b/lib/bytesutil/internstring.go
index cfb652e5e..600758c8a 100644
--- a/lib/bytesutil/internstring.go
+++ b/lib/bytesutil/internstring.go
@@ -9,7 +9,7 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fasttime"
 )
 
-var internStringMaxLen = flag.Int("internStringMaxLen", 300, "The maximum length for strings to intern. Lower limit may save memory at the cost of higher CPU usage. "+
+var internStringMaxLen = flag.Int("internStringMaxLen", 500, "The maximum length for strings to intern. Lower limit may save memory at the cost of higher CPU usage. "+
 	"See https://en.wikipedia.org/wiki/String_interning")
 
 // InternBytes interns b as a string