diff --git a/src/main.cpp b/src/main.cpp
index 955a7495..66c459bd 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -198,7 +198,9 @@ int main(int argc, char *argv[]) {
   // qDebug() << QString("main.cpp tmpDir:  " + tmpDir);
 
   // not most elegant as fixed name but in reality not big deal
-  QLockFile lockFile(tmpDir + "/.RcloneBrowser_4q6RgLs2RpbJA.lock");
+  char* lockLocalUserName = std::getenv("USER");
+  QLockFile lockFile(tmpDir + "/." + lockLocalUserName + "RcloneBrowser_4q6RgLs2RpbJA.lock");
+
 
   if (!lockFile.tryLock(100)) {
     // if already running display warning and quit