diff --git a/config-template.lua b/config-template.lua
index 2c98ead..8025532 100755
--- a/config-template.lua
+++ b/config-template.lua
@@ -84,7 +84,7 @@ config.core = {
 		},
 		{
 			"firefox-developer-edition",
-			"firefox-dev"
+			"firefox_dev"
 		},
 		{
 			"thunderbird",