diff --git a/src/driver-etekcity.c b/src/driver-etekcity.c
index 82632041..48c5788c 100644
--- a/src/driver-etekcity.c
+++ b/src/driver-etekcity.c
@@ -453,11 +453,13 @@ etekcity_write_button(struct ratbag_button *button,
 }
 
 static int
-etekcity_write_resolution_dpi(struct ratbag_profile *profile, int dpi)
+etekcity_write_resolution_dpi(struct ratbag_resolution *resolution, int dpi)
 {
+	struct ratbag_profile *profile = resolution->profile;
 	struct ratbag_device *device = profile->device;
 	struct etekcity_data *drv_data = ratbag_get_drv_data(device);
 	struct etekcity_settings_report *settings_report;
+	unsigned int index;
 	uint8_t *buf;
 	int rc;
 
@@ -466,12 +468,14 @@ etekcity_write_resolution_dpi(struct ratbag_profile *profile, int dpi)
 
 	settings_report = &drv_data->settings[profile->index];
 
-	/* FIXME: we should be able to say which dpi setting we change */
+	/* retrieve which resolution is asked to be changed */
+	index = resolution - profile->resolution.modes;
+
 	/* FIXME: allow both x and y dpi to be set */
 	settings_report->x_sensitivity = 0x0a;
 	settings_report->y_sensitivity = 0x0a;
-	settings_report->xres[settings_report->current_dpi] = dpi / 50;
-	settings_report->yres[settings_report->current_dpi] = dpi / 50;
+	settings_report->xres[index] = dpi / 50;
+	settings_report->yres[index] = dpi / 50;
 
 	buf = (uint8_t*)settings_report;
 	etekcity_set_config_profile(device, profile->index, ETEKCITY_CONFIG_SETTINGS);
diff --git a/src/driver-hidpp20.c b/src/driver-hidpp20.c
index 2ae0c4b1..9d652d3f 100644
--- a/src/driver-hidpp20.c
+++ b/src/driver-hidpp20.c
@@ -222,8 +222,9 @@ hidpp20drv_read_resolution_dpi(struct ratbag_profile *profile)
 }
 
 static int
-hidpp20drv_write_resolution_dpi(struct ratbag_profile *profile, int dpi)
+hidpp20drv_write_resolution_dpi(struct ratbag_resolution *resolution, int dpi)
 {
+	struct ratbag_profile *profile = resolution->profile;
 	struct ratbag_device *device = profile->device;
 	struct hidpp20drv_data *drv_data = ratbag_get_drv_data(device);
 	struct hidpp20_sensor *sensor;
diff --git a/src/libratbag-private.h b/src/libratbag-private.h
index 28dd47ff..ea44ce37 100644
--- a/src/libratbag-private.h
+++ b/src/libratbag-private.h
@@ -173,7 +173,7 @@ struct ratbag_driver {
 	 *
 	 * Mandatory if the driver exports RATBAG_CAP_SWITCHABLE_RESOLUTION.
 	 */
-	int (*write_resolution_dpi)(struct ratbag_profile *profile, int dpi);
+	int (*write_resolution_dpi)(struct ratbag_resolution *resolution, int dpi);
 
 	/* private */
 	struct list link;
diff --git a/src/libratbag.c b/src/libratbag.c
index 8f21cac0..47abd2aa 100644
--- a/src/libratbag.c
+++ b/src/libratbag.c
@@ -751,7 +751,7 @@ ratbag_resolution_set_dpi(struct ratbag_resolution *resolution,
 	resolution->dpi = dpi;
 
 	assert(profile->device->driver->write_resolution_dpi);
-	return profile->device->driver->write_resolution_dpi(profile, dpi);
+	return profile->device->driver->write_resolution_dpi(resolution, dpi);
 }
 
 LIBRATBAG_EXPORT int