diff --git a/src/libs/3rdparty/cplusplus/Parser.cpp b/src/libs/3rdparty/cplusplus/Parser.cpp
index bc3509e11a3..21125f37181 100644
--- a/src/libs/3rdparty/cplusplus/Parser.cpp
+++ b/src/libs/3rdparty/cplusplus/Parser.cpp
@@ -6440,7 +6440,7 @@ void Parser::rewind(unsigned cursor)
         fprintf(stderr, "! rewinding from token %d to token %d\n", _tokenIndex, cursor);
 #endif
 
-    const int n = _translationUnit->tokenCount();
+    const unsigned n = _translationUnit->tokenCount();
     if (cursor < n)
         _tokenIndex = cursor;
     else