"CHANNEL" in line 1849

I'm not sure what this part of script is doing, but it looks like this if statement never gets "true".
2017-07-18 21:17:02 +00:00 · 2017-07-18 21:17:02 +00:00 · 88e6d35743
parent d69f89c6ce
commit 88e6d35743
1 changed files with 1 additions and 1 deletions
--- a/fluxion.sh
+++ b/fluxion.sh
@ -1846,7 +1846,7 @@ fi
 function preattack {

    # Check if channel is negative
-    if [ "CHANNEL" = "" ];then
+    if [ "$CHANNEL" = "" ];then
        CHANNEL=1
    fi
    # Config HostAPD