diff --git a/libretro-common/memmap/memmap.c b/libretro-common/memmap/memmap.c
index e84e0875d5..5062abaae2 100644
--- a/libretro-common/memmap/memmap.c
+++ b/libretro-common/memmap/memmap.c
@@ -21,6 +21,7 @@
  */
 
 #include <stdint.h>
+#include <stdlib.h>
 #include <memmap.h>
 
 #ifndef PROT_READ