diff --git a/apps/terminal/serializers/storage.py b/apps/terminal/serializers/storage.py
index 24d619540..7cc0628ba 100644
--- a/apps/terminal/serializers/storage.py
+++ b/apps/terminal/serializers/storage.py
@@ -157,7 +157,7 @@ def command_storage_es_host_format_validator(host):
         raise serializers.ValidationError(default_error_msg)
     if ':' not in h.netloc:
         raise serializers.ValidationError(default_error_msg)
-    _host, _port = h.netloc.split(':')
+    _host, _port = h.netloc.rsplit(':', maxsplit=1)
     if not _host:
         error_msg = _('Host invalid')
         raise serializers.ValidationError(error_msg)