diff --git a/RecrownedAthenaeum.ConsoleTools/CommandProcessor/EngineCommand.cs b/RecrownedAthenaeum.ConsoleTools/CommandProcessor/EngineCommand.cs
index 4a272cd..ff9c21e 100644
--- a/RecrownedAthenaeum.ConsoleTools/CommandProcessor/EngineCommand.cs
+++ b/RecrownedAthenaeum.ConsoleTools/CommandProcessor/EngineCommand.cs
@@ -89,14 +89,17 @@ namespace RecrownedAthenaeum.Tools.CommandProcessor
         /// <returns>The index or throws argument exception if it doesn't exist.</returns>
         public int IndexOfArgumentIn(string argument, string[] arguments)
         {
-            for (int i = 0; i < arguments.Length; i++)
+            if (arguments != null)
             {
-                if (arguments[i] == argument)
+                for (int i = 0; i < arguments.Length; i++)
                 {
-                    return i;
+                    if (arguments[i] == argument)
+                    {
+                        return i;
+                    }
                 }
             }
-            throw new ArgumentException("Argument " + argument + " is missing. Type \"help\" for more information.");
+            throw new ArgumentException("Expected argument " + argument + " is missing. Type \"help\" for more information.");
         }
 
         public bool HasArgument(string argument, string[] arguments)