diff --git a/singleapplication_p.cpp b/singleapplication_p.cpp
index a129aa0..884fe63 100644
--- a/singleapplication_p.cpp
+++ b/singleapplication_p.cpp
@@ -118,11 +118,9 @@ void SingleApplicationPrivate::genBlockServerName()
 #ifdef Q_OS_UNIX
         QByteArray username;
         uid_t uid = geteuid();
-        if( uid != -1 ) {
-            struct passwd *pw = getpwuid(uid);
-            if( pw ) {
-                username = pw->pw_name;
-            }
+        struct passwd *pw = getpwuid(uid);
+        if( pw ) {
+            username = pw->pw_name;
         }
         if( username.isEmpty() ) {
             username = qgetenv("USER");