diff --git a/lib/streaming_providers/base/settings/provider_enable_manager.py b/lib/streaming_providers/base/settings/provider_enable_manager.py
index 93a985e..d3497f9 100644
--- a/lib/streaming_providers/base/settings/provider_enable_manager.py
+++ b/lib/streaming_providers/base/settings/provider_enable_manager.py
@@ -321,7 +321,7 @@ class ProviderEnableManager:
 
             result[provider_name] = {
                 "enabled": enabled,
-                "source": source.value,
+                "source": source.value,  # Convert enum to string
                 "can_modify": source != EnableSource.KODI
             }
 
@@ -348,7 +348,7 @@ class ProviderEnableManager:
         return {
             "provider": provider_name,
             "enabled": enabled,
-            "source": source.value,
+            "source": source.value,  # Convert enum to string
             "can_modify": source != EnableSource.KODI,
             "in_file": True
         }
diff --git a/service.py b/service.py
index cd0cdf0..257d305 100644
--- a/service.py
+++ b/service.py
@@ -2039,9 +2039,12 @@ class UltimateService:
                     # Get source information
                     source = enable_manager.get_enabled_source(provider)
 
+                    # FIX: Convert enum to string value for JSON serialization
+                    source_value = source.value if hasattr(source, 'value') else str(source)
+
                     result[provider] = {
                         'enabled': status,
-                        'source': source,  # 'kodi', 'file', or 'default'
+                        'source': source_value,  # Now a string, not an enum
                         'can_modify': source != 'kodi'  # Can't modify if set in Kodi
                     }
 
@@ -2069,11 +2072,14 @@ class UltimateService:
                 status = enable_manager.is_provider_enabled(provider)
                 source = enable_manager.get_enabled_source(provider)
 
+                # FIX: Convert enum to string value
+                source_value = source.value if hasattr(source, 'value') else str(source)
+
                 return {
                     'success': True,
                     'provider': provider,
                     'enabled': status,
-                    'source': source,
+                    'source': source_value,  # Now a string
                     'can_modify': source != 'kodi'
                 }