diff --git a/lib/checkother.cpp b/lib/checkother.cpp
index d2adeb0d3..054f1cdb5 100644
--- a/lib/checkother.cpp
+++ b/lib/checkother.cpp
@@ -2156,6 +2156,9 @@ void CheckOther::checkSignOfUnsignedVariable()
         const Scope * scope = symbolDatabase->functionScopes[i];
         // check all the code in the function
         for (const Token *tok = scope->classStart->next(); tok != scope->classEnd; tok = tok->next()) {
+            // Quick check to see if any of the matches below have any chances
+            if (!tok->varId() && tok->str() != "0")
+                continue;
             if (Token::Match(tok, "%name% <|<= 0") && tok->varId() && !Token::Match(tok->tokAt(3), "+|-")) {
                 // TODO: handle a[10].b , a::b , (unsigned int)x , etc
                 const Token *prev = tok->previous();