diff --git a/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/auth/AuthenticationExceptionMappingTest.kt b/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/auth/AuthenticationExceptionMappingTest.kt
index db37fc40b5..e84b42ea2f 100644
--- a/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/auth/AuthenticationExceptionMappingTest.kt
+++ b/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/auth/AuthenticationExceptionMappingTest.kt
@@ -19,7 +19,7 @@ class AuthenticationExceptionMappingTest {
     fun `mapping an exception with no message returns null message`() {
         val exception = Exception()
         val mappedException = exception.mapAuthenticationException()
-        assertThat(mappedException.message).isEqualTo(null)
+        assertThat(mappedException.message).isNull()
     }
 
     @Test