diff --git a/src/player/wm_tty.c b/src/player/wm_tty.c
index 94a3385d..8997175c 100644
--- a/src/player/wm_tty.c
+++ b/src/player/wm_tty.c
@@ -57,6 +57,7 @@ int kbhit (void) {
     return (k.fbStatus & KBDTRF_FINAL_CHAR_IN);
 }
 #endif /* EMX */
+#include <stdlib.h>
 #include <conio.h>
 void wm_getch(unsigned char *c) {
     if (kbhit()) {