--- a/ext/ruby_krb5_auth.c	2017-11-22 15:56:25.772508003 -0500
+++ b/ext/ruby_krb5_auth.c	2017-11-22 15:56:29.202500061 -0500
@@ -49,7 +49,8 @@ static char *get_string_or_nil(VALUE arg
     else if (TYPE(arg) == T_STRING)
         return StringValueCStr(arg);
     else
-        rb_raise(rb_eTypeError, "wrong argument type (expected String or nil)");    return NULL;
+        rb_raise(rb_eTypeError, "wrong argument type (expected String or nil)");
+    return NULL;
 }
 
 void Krb5_register_error(int error)