diff --git a/src/backends/native/meta-input-device-tool-native.c b/src/backends/native/meta-input-device-tool-native.c
index e6ec0c758..224f78324 100644
--- a/src/backends/native/meta-input-device-tool-native.c
+++ b/src/backends/native/meta-input-device-tool-native.c
@@ -102,10 +102,10 @@ meta_input_device_tool_native_set_pressure_curve_in_impl (ClutterInputDeviceTool
                     curve[3] >= 0 && curve[3] <= 1);
 
   evdev_tool = META_INPUT_DEVICE_TOOL_NATIVE (tool);
-  evdev_tool->pressure_curve[0] = curve[0];
-  evdev_tool->pressure_curve[1] = curve[1];
-  evdev_tool->pressure_curve[2] = curve[2];
-  evdev_tool->pressure_curve[3] = curve[3];
+  evdev_tool->pressure_curve[0].x = curve[0];
+  evdev_tool->pressure_curve[0].y = curve[1];
+  evdev_tool->pressure_curve[1].x = curve[2];
+  evdev_tool->pressure_curve[1].y = curve[3];
 }
 
 void
@@ -162,10 +162,10 @@ meta_input_device_tool_native_translate_pressure_in_impl (ClutterInputDeviceTool
   evdev_tool = META_INPUT_DEVICE_TOOL_NATIVE (tool);
 
   return calculate_bezier_position (CLAMP (pressure, 0, 1),
-                                    evdev_tool->pressure_curve[0],
-                                    evdev_tool->pressure_curve[1],
-                                    evdev_tool->pressure_curve[2],
-                                    evdev_tool->pressure_curve[3]);
+                                    evdev_tool->pressure_curve[0].x,
+                                    evdev_tool->pressure_curve[0].y,
+                                    evdev_tool->pressure_curve[1].x,
+                                    evdev_tool->pressure_curve[1].y);
 }
 
 uint32_t
diff --git a/src/backends/native/meta-input-device-tool-native.h b/src/backends/native/meta-input-device-tool-native.h
index edcf5c10e..486b90305 100644
--- a/src/backends/native/meta-input-device-tool-native.h
+++ b/src/backends/native/meta-input-device-tool-native.h
@@ -23,6 +23,7 @@
 #error "This header cannot be included directly. Use "backends/native/meta-input-thread.h""
 #endif /* META_INPUT_THREAD_H_INSIDE */
 
+#include <graphene.h>
 #include <libinput.h>
 
 #include "clutter/clutter.h"
@@ -59,7 +60,7 @@ struct _MetaInputDeviceToolNative
   ClutterInputDeviceTool parent_instance;
   struct libinput_tablet_tool *tool;
   GHashTable *button_map;
-  double pressure_curve[4];
+  graphene_point_t pressure_curve[2];
 };
 
 struct _MetaInputDeviceToolNativeClass