diff --git a/src/boards/mapinc.h b/src/boards/mapinc.h
index 0de564ac..8fa46f42 100644
--- a/src/boards/mapinc.h
+++ b/src/boards/mapinc.h
@@ -8,4 +8,5 @@
 #include "../cart.h"
 #include "../cheat.h"
 #include "../unif.h"
-
+#include <stdio.h>
+#include <string.h>
diff --git a/src/wave.cpp b/src/wave.cpp
index c3c47e29..679aefe8 100644
--- a/src/wave.cpp
+++ b/src/wave.cpp
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 
 #include "types.h"
 #include "fceu.h"