diff --git a/bin/t b/bin/t
index 95e5f85..aec2f0d 100755
--- a/bin/t
+++ b/bin/t
@@ -24,7 +24,7 @@ if [[ -z "${selected}" ]]; then
   exit 0
 fi
 
-session_name=$(basename "${selected}" | sed 's/\./-/g')
+session_name=$(basename "${selected}" | sed 's/\./_/g')
 session_path="${selected}"
 
 # Git worktrees.