diff --git a/common/autoware_debug_tools/autoware_debug_tools/system_performance_plotter/processing_time_plotter.py b/common/autoware_debug_tools/autoware_debug_tools/system_performance_plotter/processing_time_plotter.py
index 68a4d151..1142dcf9 100644
--- a/common/autoware_debug_tools/autoware_debug_tools/system_performance_plotter/processing_time_plotter.py
+++ b/common/autoware_debug_tools/autoware_debug_tools/system_performance_plotter/processing_time_plotter.py
@@ -1,7 +1,9 @@
 #!/usr/bin/env python3
 
-from tier4_debug_msgs.msg import Float32Stamped
-from tier4_debug_msgs.msg import Float64Stamped
+from autoware_internal_debug_msgs.msg import Float32Stamped
+from autoware_internal_debug_msgs.msg import Float64Stamped
+from tier4_debug_msgs.msg import Float32Stamped as Tier4Float32Stamped
+from tier4_debug_msgs.msg import Float64Stamped as Tier4Float64Stamped
 
 from .system_performance_plotter_base import PREDEFINED_COMPONENT_NAMES
 from .system_performance_plotter_base import SystemPerformancePlotterBase
@@ -30,7 +32,12 @@ def check_topic(self, topic_name):
         return True
 
     def update_metrics_func(self, topic_name, data, date_time):
-        if not isinstance(data, Float64Stamped) and not isinstance(data, Float32Stamped):
+        if (
+            not isinstance(data, Tier4Float64Stamped)
+            and not isinstance(data, Tier4Float32Stamped)
+            and not isinstance(data, Float64Stamped)
+            and not isinstance(data, Float32Stamped)
+        ):
             return
 
         if topic_name not in self.stamp_and_metrics: