1 files changed, 6 insertions, 2 deletions

diff --git a/toxav/toxav.h b/toxav/toxav.h
index 69654f97..04ad3cd0 100644
--- a/toxav/toxav.h
+++ b/toxav/toxav.h
@@ -1,4 +1,6 @@
-#pragma once
+#ifndef TOXAV_H
+#define TOXAV_H
+
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
@@ -480,4 +482,6 @@ typedef void toxav_receive_audio_frame_cb(ToxAV *av, uint32_t friend_number,
 /**
  * Set the callback for the `receive_audio_frame` event. Pass NULL to unset.
  */
-void toxav_callback_receive_audio_frame(ToxAV *av, toxav_receive_audio_frame_cb *function, void *user_data);
\ No newline at end of file
+void toxav_callback_receive_audio_frame(ToxAV *av, toxav_receive_audio_frame_cb *function, void *user_data);
+
+#endif /* TOXAV_H */
\ No newline at end of file