diff --git a/headers/posix/stdlib.h b/headers/posix/stdlib.h
index 3ffec9578a..05f96b6c14 100644
--- a/headers/posix/stdlib.h
+++ b/headers/posix/stdlib.h
@@ -49,6 +49,7 @@ extern void		*calloc(size_t nmemb, size_t size);
 extern void		free(void *pointer);
 extern void		*malloc(size_t size);
 extern void		*realloc(void * ptr, size_t size);
+extern int 		posix_memalign(void **memptr, size_t alignment, size_t size);
 
 /* process termination */
 extern void		abort(void);
diff --git a/src/system/libroot/posix/malloc/wrapper.cpp b/src/system/libroot/posix/malloc/wrapper.cpp
index ca2702dc20..7ef6393faf 100644
--- a/src/system/libroot/posix/malloc/wrapper.cpp
+++ b/src/system/libroot/posix/malloc/wrapper.cpp
@@ -274,6 +274,18 @@ memalign(size_t alignment, size_t size)
 }
 
 
+extern "C" int
+posix_memalign(void **memptr, size_t alignment, size_t size)
+{
+	if (!memptr)
+		return EINVAL;
+	*memptr = memalign(alignment, size);
+	if (memptr == NULL)
+		return ENOMEM;
+	return 0;
+}
+
+
 extern "C" void *
 valloc(size_t size)
 {