diff --git a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs
index 9e2c6e06b..062161b15 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs
@@ -739,7 +739,7 @@ namespace NzbDrone.Core.Indexers.Definitions.Cardigann
                     case "hexdump":
                         // this is mainly for debugging invisible special char related issues
                         var hexData = string.Join("", data.Select(c => c + "(" + ((int)c).ToString("X2") + ")"));
-                        _logger.Debug(string.Format("CardigannIndexer ({0}): strdump: {1}", _definition.Id, hexData));
+                        _logger.Debug("CardigannIndexer ({0}): strdump: {1}", _definition.Id, hexData);
                         break;
                     case "strdump":
                         // for debugging
@@ -915,7 +915,7 @@ namespace NzbDrone.Core.Indexers.Definitions.Cardigann
 
                         break;
                     default:
-                        _logger.Error(string.Format("CardigannIndexer ({0}): Unsupported selector: {1}", _definition.Id, rowSelector));
+                        _logger.Error("CardigannIndexer ({0}): Unsupported selector: {1}", _definition.Id, rowSelector);
                         continue;
                 }
             }
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannParser.cs b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannParser.cs
index 4b96e25ed..2c49245f0 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannParser.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannParser.cs
@@ -226,7 +226,7 @@ namespace NzbDrone.Core.Indexers.Definitions.Cardigann
                     {
                         results = ApplyFilters(results, search.Preprocessingfilters, variables);
                         searchResultDocument = searchResultParser.ParseDocument(results);
-                        _logger.Trace(string.Format("CardigannIndexer ({0}): result after preprocessingfilters: {1}", _definition.Id, results));
+                        _logger.Trace("CardigannIndexer ({0}): result after preprocessingfilters: {1}", _definition.Id, results);
                     }
 
                     var rowsSelector = ApplyGoTemplateText(search.Rows.Selector, variables);
@@ -241,7 +241,7 @@ namespace NzbDrone.Core.Indexers.Definitions.Cardigann
                     {
                         results = ApplyFilters(results, search.Preprocessingfilters, variables);
                         searchResultDocument = searchResultParser.ParseDocument(results);
-                        _logger.Trace(string.Format("CardigannIndexer ({0}): result after preprocessingfilters: {1}", _definition.Id, results));
+                        _logger.Trace("CardigannIndexer ({0}): result after preprocessingfilters: {1}", _definition.Id, results);
                     }
 
                     var rowsSelector = ApplyGoTemplateText(search.Rows.Selector, variables);
diff --git a/src/NzbDrone.Core/Indexers/IndexerBase.cs b/src/NzbDrone.Core/Indexers/IndexerBase.cs
index 0330217dc..5a3b36bbe 100644
--- a/src/NzbDrone.Core/Indexers/IndexerBase.cs
+++ b/src/NzbDrone.Core/Indexers/IndexerBase.cs
@@ -195,7 +195,7 @@ namespace NzbDrone.Core.Indexers
             }
             else if (settings.BaseUrl.IsNotNullOrWhiteSpace() && LegacyUrls.Contains(settings.BaseUrl))
             {
-                _logger.Debug(string.Format("Changing legacy site link from {0} to {1}", settings.BaseUrl, defaultLink));
+                _logger.Debug("Changing legacy site link from {0} to {1}", settings.BaseUrl, defaultLink);
                 settings.BaseUrl = defaultLink;
             }