diff --git a/cclog.sh b/cclog.sh
index a816294..523e159 100755
--- a/cclog.sh
+++ b/cclog.sh
@@ -112,8 +112,8 @@ __cclog_browse() {
     # If directory argument provided, use it; otherwise use current directory
     local target_dir="${1:-$(pwd)}"
 
-    # Convert "/" to "-" and "." to "-" for project directory name
-    local project_dir=$(echo "$target_dir" | sed 's/\//-/g; s/\./-/g')
+    # Convert "/" to "-", "." to "-", and "_" to "-" for project directory name
+    local project_dir=$(echo "$target_dir" | sed 's/\//-/g; s/\./-/g; s/_/-/g')
 
     local claude_projects_dir="$HOME/.claude/projects/$project_dir"