diff --git a/lib/MemberBuilder.js b/lib/MemberBuilder.js
index 07c8147..b9012be 100644
--- a/lib/MemberBuilder.js
+++ b/lib/MemberBuilder.js
@@ -297,35 +297,39 @@ exports.buildGetterSetter = function(
  */
 function getMemberVisibility( members, keywords, name )
 {
-    var viserr = function()
-    {
-        throw TypeError(
-            "Only one access modifier may be used for definition of '" +
-                name + "'"
-        );
-    }
-
     // there's cleaner ways of doing this, but consider it loop unrolling for
     // performance
     if ( keywords[ 'private' ] )
     {
-        ( keywords[ 'public' ] || keywords[ 'protected' ] ) && viserr();
+        ( keywords[ 'public' ] || keywords[ 'protected' ] )
+            && viserr( name );
         return members[ 'private' ];
     }
     else if ( keywords[ 'protected' ] )
     {
-        ( keywords[ 'public' ] || keywords[ 'private' ] ) && viserr();
+        ( keywords[ 'public' ] || keywords[ 'private' ] )
+            && viserr( name );
         return members[ 'protected' ];
     }
     else
     {
         // public keyword is the default, so explicitly specifying it is only
         // for clarity
-        ( keywords[ 'private' ] || keywords[ 'protected' ] ) && viserr();
+        ( keywords[ 'private' ] || keywords[ 'protected' ] )
+            && viserr( name );
         return members[ 'public' ];
     }
 }
 
+function viserr( name )
+{
+    throw TypeError(
+        "Only one access modifier may be used for definition of '" +
+            name + "'"
+    );
+}
+
+
 
 /**
  * Scan each level of visibility for the requested member