diff --git a/src/util/DisposablePointer.hxx b/src/util/DisposablePointer.hxx
index 2ee30e410..c6481109c 100644
--- a/src/util/DisposablePointer.hxx
+++ b/src/util/DisposablePointer.hxx
@@ -6,6 +6,15 @@
 
 #include <utility>
 
+#if defined(__GNUC__) && __GNUC__ >= 13
+#pragma GCC diagnostic push
+/* suppress -Wuninitialized; GCC is right, the "dispose" field is
+   sometimes not initialized (if ptr==nullptr), but it's only swapped
+   in the move operator/constructor, and that's okay, we're not going
+   to use it in that case anyway */
+#pragma GCC diagnostic ignored "-Wuninitialized"
+#endif
+
 /**
  * A generic object which is owned by somebody who doesn't know how to
  * dispose of it; to do this, a function pointer for disposing it is
@@ -62,6 +71,10 @@ public:
 	}
 };
 
+#if defined(__GNUC__) && __GNUC__ >= 13
+#pragma GCC diagnostic pop
+#endif
+
 template<typename T>
 class TypedDisposablePointer : public DisposablePointer {
 public: