diff --git a/entropy.py b/entropy.py
index ed7f3d7..480b5f2 100644
--- a/entropy.py
+++ b/entropy.py
@@ -24,19 +24,31 @@ def main():
     parser.add_argument("--url", default="http://192.168.0.200/mjpg/video.mjpg", help="Camera MJPEG stream URL")
     parser.add_argument("--single", type=int, default=1, help="Generate N random numbers and exit (default: 1)")
     parser.add_argument("--bit", type=int, default=256, help="Bit length of each random number (default: 256)")
+    parser.add_argument("--loop", action="store_true", help="Run forever, generating numbers every second")
     args = parser.parse_args()
 
-    for i in range(args.single):
-        try:
-            frame = fetch_frame_opencv(args.url)
-            random_numbers = generate_random_numbers(frame, [args.bit])
-            for number in random_numbers.values():
-                print(f"{number:x}")  # Print as hex without '0x' prefix
-        except Exception as e:
-            print(f"Error: {e}", file=sys.stderr)
-            return 1
-        if args.single > 1 and i < args.single - 1:
-            time.sleep(1)  # Small delay between frames in single mode
+    if args.loop:
+        while True:
+            try:
+                frame = fetch_frame_opencv(args.url)
+                random_numbers = generate_random_numbers(frame, [args.bit])
+                for number in random_numbers.values():
+                    print(f"{number:x}")
+            except Exception as e:
+                print(f"Error: {e}", file=sys.stderr)
+                time.sleep(1)  # Wait before retrying
+    else:
+        for i in range(args.single):
+            try:
+                frame = fetch_frame_opencv(args.url)
+                random_numbers = generate_random_numbers(frame, [args.bit])
+                for number in random_numbers.values():
+                    print(f"{number:x}")
+            except Exception as e:
+                print(f"Error: {e}", file=sys.stderr)
+                return 1
+            if args.single > 1 and i < args.single - 1:
+                time.sleep(1)  # Small delay between frames
 
 if __name__ == "__main__":
     import sys