diff --git a/src_files/.local/scripts/tmux-session-init b/src_files/.local/scripts/tmux-session-init
index 101c4df..5478b5f 100755
--- a/src_files/.local/scripts/tmux-session-init
+++ b/src_files/.local/scripts/tmux-session-init
@@ -31,11 +31,7 @@ fi
 
 [[ -z $tmux_target_name ]] && exit 0
 
-# TODO: bug in the check below, matches even when target name is a subset of an existing
-#       session's name, so a new session is not created in that case even though
-#       example: existing session with name 'dwm-suckless' will match at be opened even
-#       when attempting to open a new session with a target name of only 'dwm'
-! (echo $tmux_existing_sessions | grep -q "$tmux_target_name") &&
+! (echo $tmux_existing_sessions | grep -q "^$tmux_target_name:") &&
     tmux new-session -d -s $tmux_target_name -c $tmux_target_path &&
     tmux_hydrate $tmux_target_name $tmux_target_path
 tmux_switch_to $tmux_target_name