diff --git a/src/sound/fmodsound.cpp b/src/sound/fmodsound.cpp
index 55e6bb453..6fa967582 100644
--- a/src/sound/fmodsound.cpp
+++ b/src/sound/fmodsound.cpp
@@ -44,7 +44,7 @@ extern HWND Window;
 #define FALSE 0
 #define TRUE 1
 #endif
-#include <stdlib.h>
+#include <malloc.h>
 
 #include "templates.h"
 #include "fmodsound.h"
diff --git a/src/sound/music_mus_midiout.cpp b/src/sound/music_mus_midiout.cpp
index dfe86776d..fd46dcdfe 100644
--- a/src/sound/music_mus_midiout.cpp
+++ b/src/sound/music_mus_midiout.cpp
@@ -33,7 +33,7 @@
 
 // HEADER FILES ------------------------------------------------------------
 
-#include <stdlib.h>
+#include <malloc.h>
 #include "i_musicinterns.h"
 #include "templates.h"
 #include "doomdef.h"