diff --git a/lib/astutils.cpp b/lib/astutils.cpp
index 24f8045fb..092879729 100644
--- a/lib/astutils.cpp
+++ b/lib/astutils.cpp
@@ -145,10 +145,10 @@ bool isSameExpression(bool cpp, bool macro, const Token *tok1, const Token *tok2
         if (tok2->str() == "." && tok2->astOperand1() && tok2->astOperand1()->str() == "this")
             tok2 = tok2->astOperand2();
     }
-    if(Token::simpleMatch(tok1, "!") && Token::simpleMatch(tok1->astOperand1(), "!") && !Token::simpleMatch(tok1->astParent(), "=")) {
+    if (Token::simpleMatch(tok1, "!") && Token::simpleMatch(tok1->astOperand1(), "!") && !Token::simpleMatch(tok1->astParent(), "=")) {
         return isSameExpression(cpp, macro, tok1->astOperand1()->astOperand1(), tok2, library, pure);
     }
-    if(Token::simpleMatch(tok2, "!") && Token::simpleMatch(tok2->astOperand1(), "!") && !Token::simpleMatch(tok2->astParent(), "=")) {
+    if (Token::simpleMatch(tok2, "!") && Token::simpleMatch(tok2->astOperand1(), "!") && !Token::simpleMatch(tok2->astParent(), "=")) {
         return isSameExpression(cpp, macro, tok1, tok2->astOperand1()->astOperand1(), library, pure);
     }
     if (tok1->varId() != tok2->varId() || tok1->str() != tok2->str() || tok1->originalName() != tok2->originalName()) {