diff --git a/src/promote.c b/src/promote.c
index 1f14946..cc81831 100644
--- a/src/promote.c
+++ b/src/promote.c
@@ -1,4 +1,5 @@
 #include <vitasdk.h>
+#include <string.h>
 
 static int loadScePaf() {
 	static uint32_t argp[] = { 0x180000, -1, -1, 1, -1, -1 };
@@ -67,4 +68,4 @@ int promoteCma(const char *path, const char *titleid, int type) {
 	}
 
   return res;
-}
\ No newline at end of file
+}