diff --git a/src/kernel/bitcoinkernel_wrapper.h b/src/kernel/bitcoinkernel_wrapper.h
index 38dd709f948..12299dfa130 100644
--- a/src/kernel/bitcoinkernel_wrapper.h
+++ b/src/kernel/bitcoinkernel_wrapper.h
@@ -341,8 +341,10 @@ public:
     Handle(Handle&& other) noexcept : m_ptr(other.m_ptr) { other.m_ptr = nullptr; }
     Handle& operator=(Handle&& other) noexcept
     {
-        DestroyFunc(m_ptr);
-        m_ptr = std::exchange(other.m_ptr, nullptr);
+        if (this != &other) {
+            DestroyFunc(m_ptr);
+            m_ptr = std::exchange(other.m_ptr, nullptr);
+        }
         return *this;
     }
 
diff --git a/src/test/kernel/test_kernel.cpp b/src/test/kernel/test_kernel.cpp
index b22a5edede9..76b8398a7d7 100644
--- a/src/test/kernel/test_kernel.cpp
+++ b/src/test/kernel/test_kernel.cpp
@@ -315,6 +315,16 @@ void CheckHandle(T object, T distinct_object)
     if constexpr (HasToBytes<T>) {
         check_equal(object2.ToBytes(), object3.ToBytes());
     }
+
+    // Self move-assignment must not destroy the held resource.
+    // Use a reference to avoid -Wself-move warnings.
+    original_ptr = object2.get();
+    auto& object2_ref = object2;
+    object2 = std::move(object2_ref);
+    BOOST_CHECK_EQUAL(object2.get(), original_ptr);
+    if constexpr (HasToBytes<T>) {
+        check_equal(object2.ToBytes(), object3.ToBytes());
+    }
 }
 
 template <typename RangeType>