diff --git a/containers/aligned_vector.h b/containers/aligned_vector.h
index 31e4710..a160408 100644
--- a/containers/aligned_vector.h
+++ b/containers/aligned_vector.h
@@ -2,10 +2,17 @@
 #define ALIGNED_VECTOR_H
 
 #include <stdlib.h>
-#include <malloc.h>
 #include <string.h>
 #include <math.h>
 
+#ifndef __APPLE__
+#include <malloc.h>
+#else
+/* Linux + Kos define this, OSX does not, so just use malloc there */
+#define memalign(x, size) malloc((size))
+#endif
+
+
 #define ALIGNED_VECTOR_INITIAL_CAPACITY 256u
 
 typedef struct {
diff --git a/containers/stack.h b/containers/stack.h
index 4cc15f2..ebb9dec 100644
--- a/containers/stack.h
+++ b/containers/stack.h
@@ -1,9 +1,16 @@
 #ifndef STACK_H
 #define STACK_H
 
-#include <malloc.h>
 #include <string.h>
 
+#ifndef __APPLE__
+#include <malloc.h>
+#else
+/* Linux + Kos define this, OSX does not, so just use malloc there */
+#define memalign(x, size) malloc((size))
+#endif
+
+
 typedef struct {
     unsigned char* data;
     unsigned int capacity;