diff --git a/nav2_bringup/params/nav2_multirobot_params_1.yaml b/nav2_bringup/params/nav2_multirobot_params_1.yaml
index fcdf39205f1..f12365c0cfc 100644
--- a/nav2_bringup/params/nav2_multirobot_params_1.yaml
+++ b/nav2_bringup/params/nav2_multirobot_params_1.yaml
@@ -117,7 +117,7 @@ controller_server:
     min_y_velocity_threshold: 0.5
     min_theta_velocity_threshold: 0.001
     progress_checker_plugin: "progress_checker"
-    goal_checker_plugins: "goal_checker"
+    goal_checker_plugins: ["goal_checker"]
     controller_plugins: ["FollowPath"]
 
     # Progress checker parameters
diff --git a/nav2_bringup/params/nav2_multirobot_params_2.yaml b/nav2_bringup/params/nav2_multirobot_params_2.yaml
index 5562fe7f0e9..24be0114f97 100644
--- a/nav2_bringup/params/nav2_multirobot_params_2.yaml
+++ b/nav2_bringup/params/nav2_multirobot_params_2.yaml
@@ -117,7 +117,7 @@ controller_server:
     min_y_velocity_threshold: 0.5
     min_theta_velocity_threshold: 0.001
     progress_checker_plugin: "progress_checker"
-    goal_checker_plugins: "goal_checker"
+    goal_checker_plugins: ["goal_checker"]
     controller_plugins: ["FollowPath"]
 
     # Progress checker parameters