Update src/math_parser.cpp

Co-authored-by: andrei <[email protected]>

src/math_parser.cpp

@@ -548,8 +548,7 @@ void math_exp::math_exp_impl::new_var( std::string_view str )
             default:
                 debugmsg( "Unknown scope %c in variable %.*s", str[0], str.size(), str.data() );
         }
-    }
-    if( str.size() > 1 && str[0] == '_' ) {
+    } else if( str.size() > 1 && str[0] == '_' ) {
         type = var_type::context;
         scoped = scoped.substr( 1 );
     }