diff --git a/src/lib/openjp2/opj_malloc.c b/src/lib/openjp2/opj_malloc.c
index e91b660e..e04db912 100644
--- a/src/lib/openjp2/opj_malloc.c
+++ b/src/lib/openjp2/opj_malloc.c
@@ -32,6 +32,10 @@
 #define OPJ_SKIP_POISON
 #include "opj_includes.h"
 
+#if defined(OPJ_HAVE_MALLOC_H) && defined(OPJ_HAVE_MEMALIGN)
+# include <malloc.h>
+#endif
+
 #ifndef SIZE_MAX
 # define SIZE_MAX ((size_t) -1)
 #endif