diff --git a/SingleApplication/singleapplication_p.cpp b/SingleApplication/singleapplication_p.cpp
index 7e58d2b4a..708c0105c 100644
--- a/SingleApplication/singleapplication_p.cpp
+++ b/SingleApplication/singleapplication_p.cpp
@@ -101,7 +101,7 @@ void SingleApplicationPrivate::genBlockServerName()
     // User level block requires a user specific data in the hash
     if( options & SingleApplication::Mode::User ) {
 #ifdef Q_OS_WIN
-        Q_UNUSED(timeout);
+       // Q_UNUSED(timeout);
         wchar_t username [ UNLEN + 1 ];
         // Specifies size of the buffer on input
         DWORD usernameLength = UNLEN + 1;