1 files changed, 1 insertions, 1 deletions
diff --git a/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefNull.php b/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefNull.php
index ed5afff..0f0524d 100644
--- a/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefNull.php
+++ b/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefNull.php
@@ -19,6 +19,6 @@ final readonly class RefNull extends Instr
 
     public static function opName(): string
     {
-        return "ref.null";
+        return 'ref.null';
     }
 }