diff --git a/libexec/tmuxifier-new-session b/libexec/tmuxifier-new-session
index 33fef9d..e0560eb 100755
--- a/libexec/tmuxifier-new-session
+++ b/libexec/tmuxifier-new-session
@@ -25,7 +25,7 @@ if [ -f "$layout_file" ]; then
 fi
 
 content="$(cat "$template")"
-echo "${content/\{\{SESSION_NAME\}\}/$layout_name}" > "$layout_file"
+echo "${content//\{\{SESSION_NAME\}\}/$layout_name}" > "$layout_file"
 
 if [ ! -z "$EDITOR" ]; then
   exec "$EDITOR" "$layout_file"
diff --git a/libexec/tmuxifier-new-window b/libexec/tmuxifier-new-window
index 741a592..1c4919d 100755
--- a/libexec/tmuxifier-new-window
+++ b/libexec/tmuxifier-new-window
@@ -25,7 +25,7 @@ if [ -f "$layout_file" ]; then
 fi
 
 content="$(cat "$template")"
-echo "${content/\{\{WINDOW_NAME\}\}/$layout_name}" > "$layout_file"
+echo "${content//\{\{WINDOW_NAME\}\}/$layout_name}" > "$layout_file"
 
 if [ ! -z "$EDITOR" ]; then
   exec "$EDITOR" "$layout_file"