diff --git a/src/IKVM.Util/Jar/JarFileExtensions.cs b/src/IKVM.Util/Jar/JarFileExtensions.cs
index 63e03088c..14893f23a 100644
--- a/src/IKVM.Util/Jar/JarFileExtensions.cs
+++ b/src/IKVM.Util/Jar/JarFileExtensions.cs
@@ -45,7 +45,7 @@ static ModuleInfo GetModuleInfoFromClass(JarFile jar)
 
             using var s = e.Open();
             using var c = ClassFile.Read(s);
-            if ((c.AccessFlags & AccessFlag.ACC_MODULE) != 0)
+            if ((c.AccessFlags & AccessFlag.Module) != 0)
             {
                 var a = c.Attributes.FirstOrDefault(i => i.IsNotNil && i.Name.IsNotNil && c.Constants.Get(i.Name).Value == AttributeName.Module);
                 if (a.IsNotNil)