diff --git a/iceoryx_hoofs/vocabulary/include/iox/detail/variant.inl b/iceoryx_hoofs/vocabulary/include/iox/detail/variant.inl
index 537dd48a0a..d1e4f4c1b0 100644
--- a/iceoryx_hoofs/vocabulary/include/iox/detail/variant.inl
+++ b/iceoryx_hoofs/vocabulary/include/iox/detail/variant.inl
@@ -97,6 +97,7 @@ inline constexpr variant<Types...>::variant(variant&& rhs) noexcept
     if (m_type_index != INVALID_VARIANT_INDEX)
     {
         internal::call_at_index<0, Types...>::moveConstructor(m_type_index, &rhs.m_storage, &m_storage);
+        rhs.m_type_index = INVALID_VARIANT_INDEX;
     }
 }