diff --git a/components/bluetooth/test.rs b/components/bluetooth/test.rs
index 8578db79aa5..e2c6e639e82 100644
--- a/components/bluetooth/test.rs
+++ b/components/bluetooth/test.rs
@@ -99,7 +99,7 @@ const SERIAL_NUMBER_STRING_UUID: &'static str = "00002a25-0000-1000-8000-00805f9
 
 // Descriptor UUIDs
 const BLOCKLIST_EXCLUDE_READS_DESCRIPTOR_UUID: &'static str = "aaaaaaaa-aaaa-1181-0510-810819516110";
-const BLOCKLIST_DESCRIPTOR_UUID: &'static str = "07711111-6104-0970-7011-1107105110aaa";
+const BLOCKLIST_DESCRIPTOR_UUID: &'static str = "07711111-6104-0970-7011-1107105110aa";
 // https://www.bluetooth.com/specifications/gatt/
 // viewer?attributeXmlFile=org.bluetooth.descriptor.gatt.characteristic_user_description.xml
 const CHARACTERISTIC_USER_DESCRIPTION_UUID: &'static str = "00002901-0000-1000-8000-00805f9b34fb";
diff --git a/resources/gatt_blocklist.txt b/resources/gatt_blocklist.txt
index 189a2c5fe0f..e7f39fa77a5 100644
--- a/resources/gatt_blocklist.txt
+++ b/resources/gatt_blocklist.txt
@@ -56,7 +56,7 @@ bad1c9a2-9a5b-4015-8b60-1579bbbf2135 exclude-reads
 00002903-0000-1000-8000-00805f9b34fb exclude-writes
 
 # Blocklisted descriptor used to test.
-07711111-6104-0970-7011-1107105110aaa
+07711111-6104-0970-7011-1107105110aa
 
 # Blocklisted descriptor used to test.
-aaaaaaaa-aaaa-1181-0510-810819516110 exclude-reads
\ No newline at end of file
+aaaaaaaa-aaaa-1181-0510-810819516110 exclude-reads
diff --git a/tests/wpt/mozilla/tests/mozilla/bluetooth/bluetooth-helpers.js b/tests/wpt/mozilla/tests/mozilla/bluetooth/bluetooth-helpers.js
index c09835284d5..16a280cca29 100644
--- a/tests/wpt/mozilla/tests/mozilla/bluetooth/bluetooth-helpers.js
+++ b/tests/wpt/mozilla/tests/mozilla/bluetooth/bluetooth-helpers.js
@@ -9,7 +9,7 @@ var blocklist_exclude_reads_characteristic_uuid = "bad1c9a2-9a5b-4015-8b60-1579b
 var request_disconnection_characteristic_uuid = "01d7d88a-7451-419f-aeb8-d65e7b9277af";
 // Descriptors:
 var blocklist_exclude_reads_descriptor_uuid = "aaaaaaaa-aaaa-1181-0510-810819516110";
-var blocklist_descriptor_uuid = "07711111-6104-0970-7011-1107105110aaa";
+var blocklist_descriptor_uuid = "07711111-6104-0970-7011-1107105110aa";
 var characteristic_user_description_uuid = "00002901-0000-1000-8000-00805f9b34fb";
 
 // Bluetooth Adapter types: