diff --git a/Libraries/LibAudio/WavLoader.h b/Libraries/LibAudio/WavLoader.h
index 4a84f20bf4..5a4c58c06e 100644
--- a/Libraries/LibAudio/WavLoader.h
+++ b/Libraries/LibAudio/WavLoader.h
@@ -26,6 +26,7 @@
 
 #pragma once
 
+#include <AK/OwnPtr.h>
 #include <AK/RefPtr.h>
 #include <AK/String.h>
 #include <AK/StringView.h>