diff --git a/include/fastcdr/Cdr.h b/include/fastcdr/Cdr.h
index 41f99285..76091526 100644
--- a/include/fastcdr/Cdr.h
+++ b/include/fastcdr/Cdr.h
@@ -24,7 +24,7 @@
 #include <map>
 #include <iostream>
 
-#if !__APPLE__ && !__FreeBSD__
+#if !__APPLE__ && !__FreeBSD__ && !__VXWORKS__
 #include <malloc.h>
 #else
 #include <stdlib.h>
diff --git a/include/fastcdr/FastCdr.h b/include/fastcdr/FastCdr.h
index 2486f8f0..f8f46b21 100644
--- a/include/fastcdr/FastCdr.h
+++ b/include/fastcdr/FastCdr.h
@@ -22,7 +22,7 @@
 #include <string>
 #include <vector>
 
-#if !__APPLE__ && !__FreeBSD__
+#if !__APPLE__ && !__FreeBSD__ && !__VXWORKS__
 #include <malloc.h>
 #else
 #include <stdlib.h>
diff --git a/src/cpp/FastBuffer.cpp b/src/cpp/FastBuffer.cpp
index bdaede1f..2a81f0b6 100644
--- a/src/cpp/FastBuffer.cpp
+++ b/src/cpp/FastBuffer.cpp
@@ -14,7 +14,7 @@
 
 #include <fastcdr/FastBuffer.h>
 
-#if !__APPLE__ && !__FreeBSD__
+#if !__APPLE__ && !__FreeBSD__ && !__VXWORKS__
 #include <malloc.h>
 #else
 #include <stdlib.h>