diff --git a/lib/astutils.cpp b/lib/astutils.cpp
index d1e92ed93c1..54c724d34a8 100644
--- a/lib/astutils.cpp
+++ b/lib/astutils.cpp
@@ -1506,8 +1506,12 @@ bool isSameExpression(bool cpp, bool macro, const Token *tok1, const Token *tok2
     if (cpp) {
         if (tok1->str() == "." && tok1->astOperand1() && tok1->astOperand1()->str() == "this")
             tok1 = tok1->astOperand2();
+        while (Token::simpleMatch(tok1, "::") && tok1->astOperand2())
+            tok1 = tok1->astOperand2();
         if (tok2->str() == "." && tok2->astOperand1() && tok2->astOperand1()->str() == "this")
             tok2 = tok2->astOperand2();
+        while (Token::simpleMatch(tok2, "::") && tok2->astOperand2())
+            tok2 = tok2->astOperand2();
     }
     // Skip double not
     if (Token::simpleMatch(tok1, "!") && Token::simpleMatch(tok1->astOperand1(), "!") && !Token::simpleMatch(tok1->astParent(), "=") && astIsBoolLike(tok2)) {