@@ -5902,7 +5902,7 @@ public Object yyparse (RubyLexer yyLex) throws java.io.IOException {
 };
 states[669] = (RipperParser p, Object yyVal, ProductionState[] yyVals, int yyTop, int count, int yychar) -> {
 {IRubyObject v1, v2, v3;
-                    v1 = p.intern("-");
+                    v1 = p.intern("-@");
                     v2 = ((IRubyObject)yyVals[0+yyTop].value);
                     v3 = p.dispatch("on_unary", v1, v2);
                     yyVal = v3;}
 
@@ -92,7 +92,7 @@ def id_value(value)
     elsif value == "idCall"
       '"call"'
     elsif value == "idUMinus"
-      '"-"'
+      '"-@"'
     else
       raise ArgumentError "Unknown id value: #{value}"
     end