diff --git a/src/NzbDrone.Core/Notifications/CustomScript/CustomScript.cs b/src/NzbDrone.Core/Notifications/CustomScript/CustomScript.cs
index 539c39223..75da53269 100644
--- a/src/NzbDrone.Core/Notifications/CustomScript/CustomScript.cs
+++ b/src/NzbDrone.Core/Notifications/CustomScript/CustomScript.cs
@@ -74,7 +74,7 @@ namespace NzbDrone.Core.Notifications.CustomScript
             environmentVariables.Add("Readarr_Author_GRId", author.Metadata.Value.ForeignAuthorId);
             environmentVariables.Add("Readarr_Book_Id", book.Id.ToString());
             environmentVariables.Add("Readarr_Book_Title", book.Title);
-            environmentVariables.Add("Readarr_Book_GRId", book.ForeignBookId);
+            environmentVariables.Add("Readarr_Book_GRId", book.Editions.Value.Single(e => e.Monitored).ForeignEditionId.ToString());
             environmentVariables.Add("Readarr_Book_ReleaseDate", book.ReleaseDate.ToString());
             environmentVariables.Add("Readarr_Download_Client", message.DownloadClient ?? string.Empty);
             environmentVariables.Add("Readarr_Download_Id", message.DownloadId ?? string.Empty);
@@ -119,7 +119,7 @@ namespace NzbDrone.Core.Notifications.CustomScript
             environmentVariables.Add("Readarr_Author_GRId", author.Metadata.Value.ForeignAuthorId);
             environmentVariables.Add("Readarr_Book_Id", book.Id.ToString());
             environmentVariables.Add("Readarr_Book_Title", book.Title);
-            environmentVariables.Add("Readarr_Book_GRId", book.ForeignBookId);
+            environmentVariables.Add("Readarr_Book_GRId", book.Editions.Value.Single(e => e.Monitored).ForeignEditionId.ToString());
             environmentVariables.Add("Readarr_Book_ReleaseDate", book.ReleaseDate.ToString());
             environmentVariables.Add("Readarr_BookFile_Id", bookFile.Id.ToString());
             environmentVariables.Add("Readarr_BookFile_Path", bookFile.Path);
diff --git a/src/NzbDrone.Core/Notifications/DiscordNotifier/DiscordNotifier.cs b/src/NzbDrone.Core/Notifications/DiscordNotifier/DiscordNotifier.cs
index 6216b4996..e26e8ee14 100644
--- a/src/NzbDrone.Core/Notifications/DiscordNotifier/DiscordNotifier.cs
+++ b/src/NzbDrone.Core/Notifications/DiscordNotifier/DiscordNotifier.cs
@@ -59,7 +59,7 @@ namespace NzbDrone.Core.Notifications.DiscordNotifier
             variables.Add("Readarr_Author_GRId", author.Metadata.Value.ForeignAuthorId);
             variables.Add("Readarr_Book_Id", book.Id.ToString());
             variables.Add("Readarr_Book_Title", book.Title);
-            variables.Add("Readarr_Book_GRId", book.ForeignBookId);
+            variables.Add("Readarr_Book_GRId", book.Editions.Value.Single(e => e.Monitored).ForeignEditionId.ToString());
             variables.Add("Readarr_Book_ReleaseDate", book.ReleaseDate.ToString());
             variables.Add("Readarr_Download_Client", message.DownloadClient ?? string.Empty);
             variables.Add("Readarr_Download_Id", message.DownloadId ?? string.Empty);