diff --git a/src/pipewire_audio.c b/src/pipewire_audio.c
index 152f374..1991966 100644
--- a/src/pipewire_audio.c
+++ b/src/pipewire_audio.c
@@ -1,6 +1,7 @@
 #include "../include/pipewire_audio.h"
 
 #include <pipewire/pipewire.h>
+#include <spa/utils/defs.h>
 
 static void on_core_info_cb(void *user_data, const struct pw_core_info *info) {
     gsr_pipewire_audio *self = user_data;