diff --git a/src/fullscreen.c b/src/fullscreen.c
index d613ab7e..9dab1a59 100644
--- a/src/fullscreen.c
+++ b/src/fullscreen.c
@@ -31,6 +31,7 @@
 #include "internal.h"
 
 #include <stdlib.h>
+#include <malloc.h>
 
 
 //========================================================================
diff --git a/src/win32_clipboard.c b/src/win32_clipboard.c
index 2b8742ce..ca31964d 100644
--- a/src/win32_clipboard.c
+++ b/src/win32_clipboard.c
@@ -32,6 +32,7 @@
 #include <limits.h>
 #include <string.h>
 #include <stdlib.h>
+#include <malloc.h>
 
 
 //////////////////////////////////////////////////////////////////////////
diff --git a/src/win32_fullscreen.c b/src/win32_fullscreen.c
index c04e5ff1..3e28e30e 100644
--- a/src/win32_fullscreen.c
+++ b/src/win32_fullscreen.c
@@ -32,6 +32,7 @@
 
 #include <stdlib.h>
 #include <limits.h>
+#include <malloc.h>
 
 
 //========================================================================
diff --git a/src/win32_init.c b/src/win32_init.c
index 5bcbb310..41444b97 100644
--- a/src/win32_init.c
+++ b/src/win32_init.c
@@ -31,6 +31,7 @@
 #include "internal.h"
 
 #include <stdlib.h>
+#include <malloc.h>
 
 #ifdef __BORLANDC__
 // With the Borland C++ compiler, we want to disable FPU exceptions
diff --git a/src/win32_opengl.c b/src/win32_opengl.c
index 345b7289..2c676c91 100644
--- a/src/win32_opengl.c
+++ b/src/win32_opengl.c
@@ -31,6 +31,7 @@
 #include "internal.h"
 
 #include <stdlib.h>
+#include <malloc.h>
 
 
 //========================================================================
diff --git a/src/win32_window.c b/src/win32_window.c
index 65122eef..77b99026 100644
--- a/src/win32_window.c
+++ b/src/win32_window.c
@@ -32,6 +32,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <malloc.h>
 
 
 //========================================================================
diff --git a/src/window.c b/src/window.c
index 8da2f580..1e169743 100644
--- a/src/window.c
+++ b/src/window.c
@@ -32,6 +32,7 @@
 
 #include <string.h>
 #include <stdlib.h>
+#include <malloc.h>
 
 
 //========================================================================