diff --git a/changedetectionio/__init__.py b/changedetectionio/__init__.py
index 2a3a8b2b..ef5abea7 100644
--- a/changedetectionio/__init__.py
+++ b/changedetectionio/__init__.py
@@ -2,7 +2,7 @@
 
 # Read more https://github.com/dgtlmoon/changedetection.io/wiki
 
-__version__ = '0.49.10'
+__version__ = '0.49.11'
 
 from changedetectionio.strtobool import strtobool
 from json.decoder import JSONDecodeError
@@ -11,6 +11,7 @@ os.environ['EVENTLET_NO_GREENDNS'] = 'yes'
 import eventlet
 import eventlet.wsgi
 import getopt
+import platform
 import signal
 import socket
 import sys
@@ -150,9 +151,13 @@ def main():
         from changedetectionio.gc_cleanup import memory_cleanup
         logger.info('SIGUSR1 received: Running memory cleanup')
         return memory_cleanup(app)
-    
+
     # Register the SIGUSR1 signal handler
-    signal.signal(signal.SIGUSR1, sigusr_clean_handler)
+    # Only register the signal handler if running on Linux
+    if platform.system() == "Linux":
+        signal.signal(signal.SIGUSR1, sigusr_clean_handler)
+    else:
+        logger.info("SIGUSR1 handler only registered on Linux, skipped.")
 
     # Go into cleanup mode
     if do_cleanup: