diff --git a/core/utils.py b/core/utils.py
index da40d19c..fac8a557 100644
--- a/core/utils.py
+++ b/core/utils.py
@@ -377,12 +377,13 @@ def validate_flexible_url(value):
         import re
 
         # More flexible pattern for non-FQDN hostnames with paths
-        # Matches: http://hostname, http://hostname/, http://hostname:port/path/to/file.xml, rtp://192.168.2.1,  rtsp://192.168.178.1
-        non_fqdn_pattern = r'^(rts?p|https?)://([a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])|[0-9.]+)?(\:[0-9]+)?(/[^\s]*)?$'
+        # Matches: http://hostname, https://hostname/, http://hostname:port/path/to/file.xml, rtp://192.168.2.1,  rtsp://192.168.178.1
+        # Also matches FQDNs for rtsp/rtp protocols: rtsp://FQDN/path?query=value
+        non_fqdn_pattern = r'^(rts?p|https?)://([a-zA-Z0-9]([a-zA-Z0-9\-\.]{0,61}[a-zA-Z0-9])?|[0-9.]+)?(\:[0-9]+)?(/[^\s]*)?$'
         non_fqdn_match = re.match(non_fqdn_pattern, value)
 
         if non_fqdn_match:
-            return  # Accept non-FQDN hostnames
+            return  # Accept non-FQDN hostnames and rtsp/rtp URLs
 
         # If it doesn't match our flexible patterns, raise the original error
         raise ValidationError("Enter a valid URL.")