diff --git a/debug/debug.go b/debug/debug.go
index a76b66587..1e85650aa 100644
--- a/debug/debug.go
+++ b/debug/debug.go
@@ -121,7 +121,7 @@ func getPosition() string {
 
 	goroutine := goroutineNum()
 
-	return fmt.Sprintf("%3d %s:%3d", goroutine, filepath.Base(file), line)
+	return fmt.Sprintf("%3d %s:%d", goroutine, filepath.Base(file), line)
 }
 
 var maxTagLen = 10