diff --git a/data/devices/data-parse-test.py b/data/devices/data-parse-test.py
index 52fcee89..fd1108ea 100755
--- a/data/devices/data-parse-test.py
+++ b/data/devices/data-parse-test.py
@@ -120,7 +120,7 @@ def check_profile_type_str(string):
 
 
 def check_section_hidpp10(section):
-    permitted = ['Profiles', 'ProfileType', 'DpiRange', 'DpiList', 'DeviceIndex']
+    permitted = ['Profiles', 'ProfileType', 'DpiRange', 'DpiList', 'DeviceIndex', 'Leds']
     for key in section.keys():
         assert(key in permitted)
 
@@ -155,6 +155,13 @@ def check_section_hidpp10(section):
     except KeyError:
         pass
 
+    try:
+        leds = int(section['Leds'])
+        # 10 is arbitrarily chosen
+        assert(leds > 0 and leds < 10)
+    except KeyError:
+        pass
+
 
 def check_section_hidpp20(section):
     permitted = ['DeviceIndex']
diff --git a/data/devices/device.example b/data/devices/device.example
index 3f34e4c9..ddda1667 100644
--- a/data/devices/device.example
+++ b/data/devices/device.example
@@ -42,6 +42,9 @@ DpiList=50;200;400;800
 # Should be unset unless required
 # DeviceIndex=1
 
+# The number of LEDs
+Leds=1
+
 
 [Driver/hidpp20]
 # The HID++ 2.0 device index
diff --git a/src/driver-hidpp10.c b/src/driver-hidpp10.c
index c664e175..8050a9a9 100644
--- a/src/driver-hidpp10.c
+++ b/src/driver-hidpp10.c
@@ -446,7 +446,7 @@ hidpp10drv_write_resolution_dpi(struct hidpp10_profile *p,
 static int
 hidpp10drv_fill_from_profile(struct ratbag_device *device, struct hidpp10_device *dev)
 {
-	int rc;
+	int rc, num_leds;
 	struct hidpp10_profile profile = {0};
 	unsigned int i;
 
@@ -462,6 +462,11 @@ hidpp10drv_fill_from_profile(struct ratbag_device *device, struct hidpp10_device
 			break;
 	}
 
+	/* let the .device file override LED count from the profile */
+	num_leds = ratbag_device_data_hidpp10_get_led_count(device->data);
+	if (num_leds >= 0)
+		profile.num_leds = num_leds;
+
 	ratbag_device_init_profiles(device,
 				    dev->profile_count,
 				    profile.num_dpi_modes,
diff --git a/src/libratbag-data.c b/src/libratbag-data.c
index c132b1da..504969e7 100644
--- a/src/libratbag-data.c
+++ b/src/libratbag-data.c
@@ -60,6 +60,7 @@ struct data_hidpp10 {
 
 	struct dpi_list *dpi_list;
 	struct dpi_range *dpi_range;
+	int led_count;
 };
 
 struct ratbag_device_data {
@@ -90,6 +91,7 @@ init_data_hidpp10(struct ratbag *ratbag,
 	data->hidpp10.index = -1;
 	data->hidpp10.profile_count = -1;
 	data->hidpp10.profile_type = NULL;
+	data->hidpp10.led_count = -1;
 
 	num = g_key_file_get_integer(keyfile, group, "DeviceIndex", &error);
 	if (num != 0 || !error)
@@ -104,6 +106,13 @@ init_data_hidpp10(struct ratbag *ratbag,
 	if (error)
 		g_error_free(error);
 
+	error = NULL;
+	num = g_key_file_get_integer(keyfile, group, "Leds", &error);
+	if (num > 0 || !error)
+		data->hidpp10.led_count = num;
+	if (error)
+		g_error_free(error);
+
 	profile_type = g_key_file_get_string(keyfile, group, "ProfileType", NULL);
 	if (profile_type)
 		data->hidpp10.profile_type = profile_type;
@@ -400,6 +409,14 @@ ratbag_device_data_hidpp10_get_dpi_range(const struct ratbag_device_data *data)
 	return data->hidpp10.dpi_range;
 }
 
+int
+ratbag_device_data_hidpp10_get_led_count(const struct ratbag_device_data *data)
+{
+	assert(data->drivertype == HIDPP10);
+
+	return data->hidpp10.led_count;
+}
+
 /* HID++ 2.0 */
 
 int
diff --git a/src/libratbag-data.h b/src/libratbag-data.h
index b5306952..4aa42cf3 100644
--- a/src/libratbag-data.h
+++ b/src/libratbag-data.h
@@ -65,6 +65,12 @@ ratbag_device_data_hidpp10_get_dpi_list(const struct ratbag_device_data *data);
 struct dpi_range *
 ratbag_device_data_hidpp10_get_dpi_range(const struct ratbag_device_data *data);
 
+/**
+ * @return The led count index or -1 if not set
+ */
+int
+ratbag_device_data_hidpp10_get_led_count(const struct ratbag_device_data *data);
+
 /* HID++ 2.0 */
 
 /**