diff --git a/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/timeline/ReceiptTypeMapperKtTest.kt b/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/timeline/ReceiptTypeMapperKtTest.kt
new file mode 100644
index 0000000000..5ba93d26ce
--- /dev/null
+++ b/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/timeline/ReceiptTypeMapperKtTest.kt
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2024 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ * Please see LICENSE in the repository root for full details.
+ */
+package io.element.android.libraries.matrix.impl.timeline
+
+import com.google.common.truth.Truth.assertThat
+import io.element.android.libraries.matrix.api.timeline.ReceiptType
+import org.junit.Test
+import org.matrix.rustcomponents.sdk.ReceiptType as RustReceiptType
+
+class ReceiptTypeMapperKtTest {
+    @Test
+    fun toRustReceiptType() {
+        assertThat(ReceiptType.READ.toRustReceiptType()).isEqualTo(RustReceiptType.READ)
+        assertThat(ReceiptType.READ_PRIVATE.toRustReceiptType()).isEqualTo(RustReceiptType.READ_PRIVATE)
+        assertThat(ReceiptType.FULLY_READ.toRustReceiptType()).isEqualTo(RustReceiptType.FULLY_READ)
+    }
+}