diff --git a/comm/client/main.py b/comm/client/main.py
index 022c5a3b29b80962ebfe255908caa3816fe8d646..92249f31b3c84871ed12e694a4a4edd8a7b0237e 100644
--- a/comm/client/main.py
+++ b/comm/client/main.py
@@ -106,6 +106,11 @@ def before_request():
 
 if __name__ == "__main__":
 
+    # Check if this script runs as "root" user
+    if os.getuid() != 0:
+        raise Exception("Must run as root")
+        sys.exit(1)
+
     parser = argparse.ArgumentParser(description="PYNQ client.")
     parser.add_argument("-p", "--port", action="store", type=int, default=5000, help="Port")
     parser.add_argument("-H", "--host", action="store", type=str, default="192.168.4.1:5000", help="Host address")