diff --git a/src/Commands/Tag.cs b/src/Commands/Tag.cs
index 5fe57f94..fa11e366 100644
--- a/src/Commands/Tag.cs
+++ b/src/Commands/Tag.cs
@@ -16,7 +16,7 @@ namespace SourceGit.Commands
 
         public static bool Add(string repo, string name, string basedOn, string message, bool sign)
         {
-            var param = sign ? "-s -a" : "-a";
+            var param = sign ? "--sign -a" : "--no-sign -a";
             var cmd = new Command();
             cmd.WorkingDirectory = repo;
             cmd.Context = repo;
diff --git a/src/ViewModels/CreateTag.cs b/src/ViewModels/CreateTag.cs
index 7318e00e..af9dcf99 100644
--- a/src/ViewModels/CreateTag.cs
+++ b/src/ViewModels/CreateTag.cs
@@ -1,4 +1,5 @@
-using System.ComponentModel.DataAnnotations;
+using System;
+using System.ComponentModel.DataAnnotations;
 using System.Threading.Tasks;
 
 namespace SourceGit.ViewModels
@@ -50,6 +51,7 @@ namespace SourceGit.ViewModels
             _basedOn = branch.Head;
 
             BasedOn = branch;
+            SignTag = new Commands.Config(repo.FullPath).Get("tag.gpgsign").Equals("true", StringComparison.OrdinalIgnoreCase);
             View = new Views.CreateTag() { DataContext = this };
         }
 
@@ -59,6 +61,7 @@ namespace SourceGit.ViewModels
             _basedOn = commit.SHA;
 
             BasedOn = commit;
+            SignTag = new Commands.Config(repo.FullPath).Get("tag.gpgsign").Equals("true", StringComparison.OrdinalIgnoreCase);
             View = new Views.CreateTag() { DataContext = this };
         }