1 files changed, 1 insertions, 0 deletions

diff --git a/src/m4a.c b/src/m4a.c
index 7b4441ca4..267a72657 100644
--- a/src/m4a.c
+++ b/src/m4a.c
@@ -1,3 +1,4 @@
+#include <string.h>
 #include "gba/m4a_internal.h"
 
 extern const u8 gCgb3Vol[];