diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 632f6a0ce..ac250b0fc 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -6891,7 +6891,7 @@ bool Tokenizer::simplifyKnownVariablesSimplify(Token **tok2, Token *tok3, unsign
         }
 
         // array usage
-        if (Token::Match(tok3, ("[(,] " + structname + " %varid% [+-*/[]").c_str(), varid))
+        if (Token::Match(tok3, ("[(,] " + structname + " %varid% [|%op%").c_str(), varid))
         {
             if (!structname.empty())
             {