diff --git a/src/unknown_008C40.c b/src/unknown_008C40.c
index a746e82c..eb349e09 100644
--- a/src/unknown_008C40.c
+++ b/src/unknown_008C40.c
@@ -1,6 +1,7 @@
 /* The comment below is needed for this file to be picked up by generate_ld */
 /* RAM_POS: 0x80008040 */
 
+#include "unknown_008C40.h"
 #include "types.h"
 #include "macros.h"
 #include "audio_internal.h"
diff --git a/src/unknown_008C40.h b/src/unknown_008C40.h
new file mode 100644
index 00000000..06e72195
--- /dev/null
+++ b/src/unknown_008C40.h
@@ -0,0 +1,6 @@
+#ifndef _UNKNOWN_008C40_H_
+#define _UNKNOWN_008C40_H_
+
+void func_80008168(void);
+
+#endif