diff --git a/netbox/netbox/filtersets.py b/netbox/netbox/filtersets.py
index afd937bd2..ffae9b7ff 100644
--- a/netbox/netbox/filtersets.py
+++ b/netbox/netbox/filtersets.py
@@ -365,7 +365,7 @@ class AttributeFiltersMixin:
                     try:
                         self.attr_filters[field] = json.loads(value)
                     except (ValueError, json.JSONDecodeError):
-                        pass
+                        self.attr_filters[field] = value
 
         super().__init__(data=data, queryset=queryset, request=request, prefix=prefix)