diff --git a/android_app/app/src/test/java/com/health/openscale/BluetoothGattUuidTest.java b/android_app/app/src/test/java/com/health/openscale/BluetoothGattUuidTest.java
index de3b5b65..b790fb38 100644
--- a/android_app/app/src/test/java/com/health/openscale/BluetoothGattUuidTest.java
+++ b/android_app/app/src/test/java/com/health/openscale/BluetoothGattUuidTest.java
@@ -41,7 +41,7 @@ public class BluetoothGattUuidTest {
         assertEquals("0x00010000",
                 BluetoothGattUuid.prettyPrint(BluetoothGattUuid.fromShortCode(0x10000)));
 
-        final UUID uuid = UUID.randomUUID();
+        final UUID uuid = UUID.fromString("12345678-1234-5678-9012-123456789012");
         assertEquals(uuid.toString(), BluetoothGattUuid.prettyPrint(uuid));
     }
 }