diff --git a/Applications/App Market.app/Main.lua b/Applications/App Market.app/Main.lua
index cb602139..7145c3ff 100644
--- a/Applications/App Market.app/Main.lua	
+++ b/Applications/App Market.app/Main.lua	
@@ -220,7 +220,7 @@ local function checkContentLength(url)
 			_, _, responseData = handle:response()
 		until responseData or computer.uptime() >= deadline
 
-		if responseData and responseData["Content-Length"] then
+		if responseData and responseData["Content-Length"] and responseData["Content-Length"][1] then
 			if tonumber(responseData["Content-Length"][1]) <= 10240 then
 				return handle
 			else