diff --git a/Themes/_fallback/Scripts/03 CustomSpeedMods.lua b/Themes/_fallback/Scripts/03 CustomSpeedMods.lua
index 922ca57136..6778548199 100644
--- a/Themes/_fallback/Scripts/03 CustomSpeedMods.lua	
+++ b/Themes/_fallback/Scripts/03 CustomSpeedMods.lua	
@@ -59,7 +59,7 @@ end
 local function ParseSpeedModFile(path)
 	local function Failure()
 		-- error; write a fallback mod file and return it
-		local fallbackString = "0.5x,1x,1.5x,2x,3x,4x,5x,6x,7x,8x,C250,C450,m550"
+		local fallbackString = "0.5x,1x,1.5x,2x,3x,4x,5x,6x,7x,8x,C250,a400,m550"
 		Trace("[CustomSpeedMods]: Could not read SpeedMods; writing fallback to "..path)
 		local file = RageFileUtil.CreateRageFile()
 		file:Open(path, 2)