diff --git a/src/WireMock.Net/Owin/WireMockMiddleware.cs b/src/WireMock.Net/Owin/WireMockMiddleware.cs
index e6f9cac1..274bdd0d 100644
--- a/src/WireMock.Net/Owin/WireMockMiddleware.cs
+++ b/src/WireMock.Net/Owin/WireMockMiddleware.cs
@@ -132,18 +132,21 @@ namespace WireMock.Owin
 
                 var responseBuilder = targetMapping.Provider as Response;
 
-                if (responseBuilder?.ProxyAndRecordSettings?.SaveMapping == true || targetMapping?.Settings?.ProxyAndRecordSettings?.SaveMapping == true)
+                if (!targetMapping.IsAdminInterface)
                 {
-                    _options.Mappings.TryAdd(targetMapping.Guid, targetMapping);
-                }
+                    if (responseBuilder?.ProxyAndRecordSettings?.SaveMapping == true || targetMapping?.Settings?.ProxyAndRecordSettings?.SaveMapping == true)
+                    {
+                        _options.Mappings.TryAdd(targetMapping.Guid, targetMapping);
+                    }
 
-                if (responseBuilder?.ProxyAndRecordSettings?.SaveMappingToFile == true || targetMapping?.Settings?.ProxyAndRecordSettings?.SaveMappingToFile == true)
-                {
-                    var matcherMapper = new MatcherMapper(targetMapping.Settings);
-                    var mappingConverter = new MappingConverter(matcherMapper);
-                    var mappingToFileSaver = new MappingToFileSaver(targetMapping.Settings, mappingConverter);
+                    if (responseBuilder?.ProxyAndRecordSettings?.SaveMappingToFile == true || targetMapping?.Settings?.ProxyAndRecordSettings?.SaveMappingToFile == true)
+                    {
+                        var matcherMapper = new MatcherMapper(targetMapping.Settings);
+                        var mappingConverter = new MappingConverter(matcherMapper);
+                        var mappingToFileSaver = new MappingToFileSaver(targetMapping.Settings, mappingConverter);
 
-                    mappingToFileSaver.SaveMappingToFile(targetMapping);
+                        mappingToFileSaver.SaveMappingToFile(targetMapping);
+                    }
                 }
 
                 if (targetMapping.Scenario != null)