diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 304ed67cb..6c78aba93 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -5114,15 +5114,17 @@ void Tokenizer::simplifyVarDecl(Token * tokBegin, Token * tokEnd, bool only_k_r_
             } else
                 continue;
         } else if (tok->str() == "(") {
-            for (Token * tok2 = tok; tok2 != tok->link(); tok2 = tok2->next()) {
-                if (isCPP() && Token::Match(tok2, "[(,] [")) {
-                    // lambda function at tok2->next()
-                    // find start of lambda body
-                    Token * lambdaBody = tok2;
-                    while (lambdaBody && lambdaBody != tok2->link() && lambdaBody->str() != "{")
-                        lambdaBody = lambdaBody->next();
-                    if (lambdaBody && lambdaBody != tok2->link() && lambdaBody->link())
-                        simplifyVarDecl(lambdaBody, lambdaBody->link()->next(), only_k_r_fpar);
+            if (isCPP()) {
+                for (Token * tok2 = tok; tok2 != tok->link(); tok2 = tok2->next()) {
+                    if (Token::Match(tok2, "[(,] [")) {
+                        // lambda function at tok2->next()
+                        // find start of lambda body
+                        Token * lambdaBody = tok2;
+                        while (lambdaBody && lambdaBody != tok2->link() && lambdaBody->str() != "{")
+                            lambdaBody = lambdaBody->next();
+                        if (lambdaBody && lambdaBody != tok2->link() && lambdaBody->link())
+                            simplifyVarDecl(lambdaBody, lambdaBody->link()->next(), only_k_r_fpar);
+                    }
                 }
             }
             tok = tok->link();