if statement not running even though its suppossed to..?

so. there is some varaibles in workspace. i have ONE varaible that says if the talk gui comes up or not. its false, and the if statement in my script checks for if its false (0) and it is, but the code in if statement is not running. help please! here is me code:

local SP = script.Parent

script.Parent.Parent.Enabled = true
while true do
wait(0.3)
if workspace.talking.Value == 1 then
script.Parent.talktext.BackgroundTransparency = 0
SP.talkguy.BackgroundTransparency = 0
SP.talktext.Text = workspace.talktext.Value
SP.talkguy.Text = workspace.talkguy.Value
if workspace.talking.Value == 0 then
SP.talktext.BackgroundTransparency = 1
SP.talkguy.BackgroundTransparency = 1
SP.talktext.Text = ""
SP.talkguy.Text = ""
end
end
end