diff --git a/lib/prompt-init b/lib/prompt-init
index 3fa2dfe..d81358a 100755
--- a/lib/prompt-init
+++ b/lib/prompt-init
@@ -9,8 +9,7 @@ if [[ -a "$OVER_PROMPT_CFG" ]]; then
 	source "$OVER_PROMPT_CFG"
 fi
 
-# both tmux and screen set TERM=screen
-if [[ "${TERM}" == "screen" ]]; then
+if [[ "${TERM}" == "screen" || "${TERM:0:4}" == "tmux" ]]; then
 	function __over_prompt_set_title {
 		if [[ -n "${OVER_PROMPT_TITLE}" ]]; then
 			print -Pn "\033k${OVER_PROMPT_TITLE}\033\134"