diff --git a/NEWS b/NEWS
index 5191ed58b..db8cc04f8 100644
--- a/NEWS
+++ b/NEWS
@@ -23,6 +23,7 @@ ver 0.24 (not yet released)
 * tags
   - new tags "TitleSort", "Mood"
 * output
+  - pipewire: fix corruption bug due to missing lock
   - pipewire: map tags "Date" and "Comment"
 * switch to C++20
   - GCC 10 or clang 11 (or newer) recommended
diff --git a/src/output/plugins/PipeWireOutputPlugin.cxx b/src/output/plugins/PipeWireOutputPlugin.cxx
index 9d2976383..bf8e890f3 100644
--- a/src/output/plugins/PipeWireOutputPlugin.cxx
+++ b/src/output/plugins/PipeWireOutputPlugin.cxx
@@ -963,6 +963,8 @@ PipeWireOutput::SendTag(const Tag &tag)
 
 	struct spa_dict dict = SPA_DICT_INIT(items.data(), (uint32_t)items.size());
 
+	const PipeWire::ThreadLoopLock lock(thread_loop);
+
 	auto rc = pw_stream_update_properties(stream, &dict);
 	if (rc < 0)
 		LogWarning(pipewire_output_domain, "Error updating properties");