diff --git a/pandatool/src/mayaprogs/mayaWrapper.cxx b/pandatool/src/mayaprogs/mayaWrapper.cxx
index 3eeb32156e..5c3713f658 100644
--- a/pandatool/src/mayaprogs/mayaWrapper.cxx
+++ b/pandatool/src/mayaprogs/mayaWrapper.cxx
@@ -33,8 +33,12 @@
   #include <unistd.h>
   #define _putenv putenv
 #endif
+#ifdef __APPLE__
+  #include <sys/malloc.h>
+#else
+  #include <malloc.h>
+#endif
 #include <stdlib.h>
-#include <malloc.h>
 #include <stdio.h>
 #include <signal.h>
 #define PATH_MAX 1024