diff --git i/bollux w/bollux
index 267418e..090217e 100755
--- i/bollux
+++ w/bollux
@@ -1130,7 +1130,7 @@ display() { # display METADATA [TITLE]
 		# text, and pre-formatted text shouldn't wrap.
 		less_cmd+=(-S)
 		# Load the keybindings (see `lesskey').
-		mklesskey && less_cmd+=(-k "$BOLLUX_LESSKEY")
+		mklesskey && less_cmd+=(--lesskey-src="$BOLLUX_LESSKEY")
 		local helpline="${KEY_OPEN}:open, "
 		helpline+="${KEY_GOTO}/"
 		helpline+="${KEY_GOTO_FROM}:goto, "