diff --git a/src/client/GameSave.cpp b/src/client/GameSave.cpp
index 9f20b372b..907292124 100644
--- a/src/client/GameSave.cpp
+++ b/src/client/GameSave.cpp
@@ -1,11 +1,3 @@
-//
-//  GameSave.cpp
-//  The Powder Toy
-//
-//  Created by Simon Robertshaw on 04/06/2012.
-//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
-//
-
 #include <iostream>
 #include <sstream>
 #include <cmath>
@@ -979,7 +971,7 @@ fail:
 		free(freeIndices);
 	if(partsSimIndex)
 		free(partsSimIndex);
-	throw ParseException(ParseException::Corrupt, "Save data currupt");
+	throw ParseException(ParseException::Corrupt, "Save data corrupt");
 fin:
 	bson_destroy(&b);
 	if(freeIndices)
diff --git a/src/game/SignTool.cpp b/src/game/SignTool.cpp
index eb1ef5734..af267af84 100644
--- a/src/game/SignTool.cpp
+++ b/src/game/SignTool.cpp
@@ -284,5 +284,6 @@ void SignTool::Click(Simulation * sim, Brush * brush, ui::Point position)
 			break;
 		}
 	}
-	new SignWindow(this, sim, signIndex, position);
+	if (signIndex != -1 || sim->signs.size() < MAXSIGNS)
+		new SignWindow(this, sim, signIndex, position);
 }