diff --git a/src/NzbDrone.Core/Books/Calibre/CalibreProxy.cs b/src/NzbDrone.Core/Books/Calibre/CalibreProxy.cs
index c1432e5a2..a7643a16a 100644
--- a/src/NzbDrone.Core/Books/Calibre/CalibreProxy.cs
+++ b/src/NzbDrone.Core/Books/Calibre/CalibreProxy.cs
@@ -13,7 +13,6 @@
 using NzbDrone.Core.MediaCover;
 using NzbDrone.Core.MediaFiles;
 using NzbDrone.Core.RemotePathMappings;
-using NzbDrone.Core.Rest;
 
 namespace NzbDrone.Core.Books.Calibre
 {
@@ -70,7 +69,7 @@ public CalibreImportJob AddBook(BookFile book, CalibreSettings settings)
 
                 return _httpClient.Post<CalibreImportJob>(request).Resource;
             }
-            catch (RestException ex)
+            catch (HttpException ex)
             {
                 throw new CalibreException("Unable to add file to calibre library: {0}", ex, ex.Message);
             }
@@ -177,7 +176,7 @@ public CalibreBookData GetBookData(int calibreId, CalibreSettings settings)
 
                 return _httpClient.Get<CalibreBookData>(request).Resource;
             }
-            catch (RestException ex)
+            catch (HttpException ex)
             {
                 throw new CalibreException("Unable to add file to calibre library: {0}", ex, ex.Message);
             }
@@ -199,7 +198,7 @@ public long ConvertBook(int calibreId, CalibreConversionOptions options, Calibre
 
                 return jobId;
             }
-            catch (RestException ex)
+            catch (HttpException ex)
             {
                 throw new CalibreException("Unable to start calibre conversion: {0}", ex, ex.Message);
             }
@@ -221,7 +220,7 @@ public CalibreBook GetBook(int calibreId, CalibreSettings settings)
 
                 return book;
             }
-            catch (RestException ex)
+            catch (HttpException ex)
             {
                 throw new CalibreException("Unable to connect to calibre library: {0}", ex, ex.Message);
             }
@@ -256,7 +255,7 @@ public List<string> GetAllBookFilePaths(CalibreSettings settings)
 
                 return result;
             }
-            catch (RestException ex)
+            catch (HttpException ex)
             {
                 throw new CalibreException("Unable to connect to calibre library: {0}", ex, ex.Message);
             }
@@ -270,7 +269,7 @@ public void GetLibraryInfo(CalibreSettings settings)
                 var request = builder.Build();
                 var response = _httpClient.Execute(request);
             }
-            catch (RestException ex)
+            catch (HttpException ex)
             {
                 throw new CalibreException("Unable to connect to calibre library: {0}", ex, ex.Message);
             }