diff --git a/src/Core/Scripting/OOScriptTimer.m b/src/Core/Scripting/OOScriptTimer.m
index e5bde6e0..edf7fdc5 100644
--- a/src/Core/Scripting/OOScriptTimer.m
+++ b/src/Core/Scripting/OOScriptTimer.m
@@ -4,7 +4,7 @@ OOScriptTimer.m
 
 
 Oolite
-Copyright (C) 2004-2010 Giles C Williams and contributors
+Copyright (C) 2004-2011 Giles C Williams and contributors
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
@@ -186,7 +186,7 @@ static OOPriorityQueue *sTimers = nil;
 	double				scaled;
 	
 	now = [UNIVERSE getTime];
-	if (_nextTime <= now)
+	if (_nextTime < now)
 	{
 		if (_interval <= 0.0)  return NO;	// One-shot timer which has expired