diff --git a/src/Parser.cpp b/src/Parser.cpp
index 524ce3ebc..02dfdad80 100644
--- a/src/Parser.cpp
+++ b/src/Parser.cpp
@@ -1341,6 +1341,7 @@ void Parser::findOperator ()
       if (*opt == raw)
       {
         (*i)->unTag ("?");
+        (*i)->removeAllBranches ();
         (*i)->tag ("OP");
         break;
       }