diff --git a/Geekbot.net/Commands/Roll.cs b/Geekbot.net/Commands/Roll.cs
index 1ed8408..9d7b576 100644
--- a/Geekbot.net/Commands/Roll.cs
+++ b/Geekbot.net/Commands/Roll.cs
@@ -34,6 +34,13 @@ namespace Geekbot.net.Commands
                 var transDict = _translation.GetDict(Context);
                 if (guess <= 100 && guess > 0)
                 {
+                    var prevRoll = _redis.HashGet($"{Context.Guild.Id}:RollsPrevious", Context.Message.Author.Id);
+                    if (!prevRoll.IsNullOrEmpty && prevRoll.ToString() == guess.ToString())
+                    {
+                        await ReplyAsync(string.Format(transDict["NoPrevGuess"], Context.Message.Author.Mention));
+                        return;
+                    }
+                    _redis.HashSet($"{Context.Guild.Id}:RollsPrevious", new HashEntry[]{ new HashEntry(Context.Message.Author.Id, guess), });
                     await ReplyAsync(string.Format(transDict["Rolled"], Context.Message.Author.Mention, number, guess));
                     if (guess == number)
                     {
diff --git a/Geekbot.net/Storage/Translations.json b/Geekbot.net/Storage/Translations.json
index 93a7421..2d3414e 100644
--- a/Geekbot.net/Storage/Translations.json
+++ b/Geekbot.net/Storage/Translations.json
@@ -91,6 +91,10 @@
         "RolledNoGuess": {
             "EN": "{0}, you rolled {1}",
             "CHDE": "{0}, du hesch {1} grollt"
+        },
+        "NoPrevGuess": {
+            "EN": ":red_circle: {0}, you can't guess the same number again",
+            "CHDE": ":red_circle: {0}, du chasch nid nomol es gliche rate"
         }
     }
 }
\ No newline at end of file