diff --git a/libozsh.zsh b/libozsh.zsh
index 625cf8c..235a444 100644
--- a/libozsh.zsh
+++ b/libozsh.zsh
@@ -54,7 +54,7 @@ function ozsh_autoupdate {
 	local timediff=$(( ($(date --date="$(date)" +%s) - $(date --date="$(cat $OZSH_LASTUPDATE_FILE)" +%s) ) / (60*60*24) ))
 	if [ "$timediff" -ge "7" ]; then
 		vared -p 'Would you like to update ozsh? [y/N]: ' -c answer
-		if [ "$answer" == "y" || "$answer" == "Y" ]; then
+		if [ "$answer" = "y" ] || [ "$answer" = "Y" ]; then
 			ozsh_update
 		fi
 	fi