diff --git a/MCGalaxy/Commands/CommandParser.cs b/MCGalaxy/Commands/CommandParser.cs
index 9b711544d..958ef84a7 100644
--- a/MCGalaxy/Commands/CommandParser.cs
+++ b/MCGalaxy/Commands/CommandParser.cs
@@ -146,6 +146,8 @@ namespace MCGalaxy.Commands {
             // find custom block
             byte raw = BlockDefinition.GetBlock(input, p);
             if (raw != Block.Invalid) return ExtBlock.FromRaw(raw);
+            
+            Player.Message(p, "&cThere is no block \"{0}\".", input);
             return ExtBlock.Invalid;
         }