diff --git a/Stopwatch.lua b/Stopwatch.lua
index a8ee3f1..49031bf 100644
--- a/Stopwatch.lua
+++ b/Stopwatch.lua
@@ -56,9 +56,9 @@ function Stopwatch:stop()
 	--Set the time first, for efficiency sake
 	self.stopTime = os.clock();
 	--Make sure the clock had been started
-	if(startTime == nil) then
+	if(self.startTime == nil) then
 		--If not unset the stop time
-		stopTime = nil;
+		self.stopTime = nil;
 	end
 end
 
@@ -180,7 +180,7 @@ function Stopwatch:getString()
 		timeString = string.format("%.3f seconds", timeDifference);
 	elseif(timeResolution == Stopwatch.timeResolution.minutes) then
 		timeString = string.format("%.3f minutes", timeDifference);
-	elseif(timeResoltuion == Stopwatch.timeResolution.hours) then
+	elseif(timeResolution == Stopwatch.timeResolution.hours) then
 		timeString = string.format("%.3f hours", timeDifference);
 	else
 		timeString = "ERROR! TimeResolution = " .. timeResolution;