diff --git a/ssh_router.sh b/ssh_router.sh
index b21296e..2f99341 100755
--- a/ssh_router.sh
+++ b/ssh_router.sh
@@ -4,7 +4,7 @@ MODE="$1" # 'rw' or 'readonly'
 PERSON="$2"
 WORKSPACE="$SSH_ORIGINAL_COMMAND"
 IMAGE="analytics-backend-workspace" # change to match your setup
-TMUX_SESSION="$WORKSPACE@analytics-backend"
+TMUX_SESSION="$WORKSPACE|analytics-backend"
 DEV_USER="devuser"
 
 log() {