diff --git a/src/modules/module-client-node/client-node.c b/src/modules/module-client-node/client-node.c
index b3c32e133..7a1bb261f 100644
--- a/src/modules/module-client-node/client-node.c
+++ b/src/modules/module-client-node/client-node.c
@@ -859,8 +859,8 @@ do_port_use_buffers(struct impl *impl,
 			{
 				uint32_t flags = PW_MEMBLOCK_FLAG_DONT_CLOSE;
 
-				if (d->flags & SPA_DATA_FLAG_MAPPABLE)
-					flags |= PW_MEMBLOCK_FLAG_MAPPABLE;
+				if (!(d->flags & SPA_DATA_FLAG_MAPPABLE))
+					flags |= PW_MEMBLOCK_FLAG_UNMAPPABLE;
 				if (d->flags & SPA_DATA_FLAG_READABLE)
 					flags |= PW_MEMBLOCK_FLAG_READABLE;
 				if (d->flags & SPA_DATA_FLAG_WRITABLE)
@@ -1357,7 +1357,6 @@ static int add_area(struct impl *impl)
 	area = pw_mempool_alloc(impl->context_pool,
 			PW_MEMBLOCK_FLAG_READWRITE |
 			PW_MEMBLOCK_FLAG_SEAL |
-			PW_MEMBLOCK_FLAG_MAPPABLE |
 			PW_MEMBLOCK_FLAG_MAP,
 			SPA_DATA_MemFd, size);
 	if (area == NULL)
diff --git a/src/modules/module-client-node/v0/transport.c b/src/modules/module-client-node/v0/transport.c
index 2e433eeec..d62f23ca2 100644
--- a/src/modules/module-client-node/v0/transport.c
+++ b/src/modules/module-client-node/v0/transport.c
@@ -192,7 +192,6 @@ pw_client_node0_transport_new(struct pw_context *context,
 	impl->mem = pw_mempool_alloc(pw_context_get_mempool(context),
 			PW_MEMBLOCK_FLAG_READWRITE |
 			PW_MEMBLOCK_FLAG_SEAL |
-			PW_MEMBLOCK_FLAG_MAPPABLE |
 			PW_MEMBLOCK_FLAG_MAP,
 			SPA_DATA_MemFd, area_get_size(&area));
 	if (impl->mem == NULL) {
diff --git a/src/pipewire/buffers.c b/src/pipewire/buffers.c
index 5f6912441..e73adaaec 100644
--- a/src/pipewire/buffers.c
+++ b/src/pipewire/buffers.c
@@ -83,7 +83,6 @@ static int alloc_buffers(struct pw_mempool *pool,
 		m = pw_mempool_alloc(pool,
 				PW_MEMBLOCK_FLAG_READWRITE |
 				PW_MEMBLOCK_FLAG_SEAL |
-				PW_MEMBLOCK_FLAG_MAPPABLE |
 				PW_MEMBLOCK_FLAG_MAP,
 				SPA_DATA_MemFd,
 				n_buffers * info.mem_size);
diff --git a/src/pipewire/control.c b/src/pipewire/control.c
index 6222d9ba2..60324a35a 100644
--- a/src/pipewire/control.c
+++ b/src/pipewire/control.c
@@ -170,7 +170,6 @@ int pw_control_add_link(struct pw_control *control, uint32_t cmix,
 		impl->mem = pw_mempool_alloc(control->context->pool,
 						PW_MEMBLOCK_FLAG_READWRITE |
 						PW_MEMBLOCK_FLAG_SEAL |
-						PW_MEMBLOCK_FLAG_MAPPABLE |
 						PW_MEMBLOCK_FLAG_MAP,
 						SPA_DATA_MemFd, size);
 		if (impl->mem == NULL) {
diff --git a/src/pipewire/core.h b/src/pipewire/core.h
index c7f9ba65d..171d35d68 100644
--- a/src/pipewire/core.h
+++ b/src/pipewire/core.h
@@ -209,6 +209,8 @@ struct pw_core_events {
 	 * \param id bound object ID
 	 * \param global_id the global id bound to
 	 * \param props The properties of the new global object.
+	 *
+	 * Since version 4:1
 	 */
 	void (*bound_props) (void *data, uint32_t id, uint32_t global_id, const struct spa_dict *props);
 };
diff --git a/src/pipewire/impl-client.c b/src/pipewire/impl-client.c
index 167366c92..06e3d53bc 100644
--- a/src/pipewire/impl-client.c
+++ b/src/pipewire/impl-client.c
@@ -382,7 +382,7 @@ static void pool_added(void *data, struct pw_memblock *block)
 	if (client->core_resource) {
 		pw_core_resource_add_mem(client->core_resource,
 				block->id, block->type, block->fd,
-				block->flags & (PW_MEMBLOCK_FLAG_READWRITE | PW_MEMBLOCK_FLAG_MAPPABLE));
+				block->flags & (PW_MEMBLOCK_FLAG_READWRITE | PW_MEMBLOCK_FLAG_UNMAPPABLE));
 	}
 }
 
diff --git a/src/pipewire/impl-node.c b/src/pipewire/impl-node.c
index 1af48dd21..526e77c8b 100644
--- a/src/pipewire/impl-node.c
+++ b/src/pipewire/impl-node.c
@@ -1479,7 +1479,6 @@ struct pw_impl_node *pw_context_create_node(struct pw_context *context,
 	this->activation = pw_mempool_alloc(this->context->pool,
 			PW_MEMBLOCK_FLAG_READWRITE |
 			PW_MEMBLOCK_FLAG_SEAL |
-			PW_MEMBLOCK_FLAG_MAPPABLE |
 			PW_MEMBLOCK_FLAG_MAP,
 			SPA_DATA_MemFd, size);
 	if (this->activation == NULL) {
diff --git a/src/pipewire/mem.c b/src/pipewire/mem.c
index 8b5362698..f24083849 100644
--- a/src/pipewire/mem.c
+++ b/src/pipewire/mem.c
@@ -323,7 +323,7 @@ static struct mapping * memblock_map(struct memblock *b,
 		return NULL;
 	}
 
-	if (!(b->this.flags & PW_MEMBLOCK_FLAG_MAPPABLE)) {
+	if ((b->this.flags & PW_MEMBLOCK_FLAG_UNMAPPABLE)) {
 		pw_log_error("%p: block:%p can't be mmaped", p, &b->this);
 		errno = EPERM;
 		return NULL;
diff --git a/src/pipewire/mem.h b/src/pipewire/mem.h
index fe3a63e04..8ce57bd91 100644
--- a/src/pipewire/mem.h
+++ b/src/pipewire/mem.h
@@ -29,7 +29,7 @@ enum pw_memblock_flags {
 	PW_MEMBLOCK_FLAG_MAP =		(1 << 3),	/**< mmap the fd */
 	PW_MEMBLOCK_FLAG_DONT_CLOSE =	(1 << 4),	/**< don't close fd */
 	PW_MEMBLOCK_FLAG_DONT_NOTIFY =	(1 << 5),	/**< don't notify events */
-	PW_MEMBLOCK_FLAG_MAPPABLE =	(1 << 6),	/**< the fd can be mmapped */
+	PW_MEMBLOCK_FLAG_UNMAPPABLE =	(1 << 6),	/**< the fd can not be mmapped */
 
 	PW_MEMBLOCK_FLAG_READWRITE = PW_MEMBLOCK_FLAG_READABLE | PW_MEMBLOCK_FLAG_WRITABLE,
 };