diff --git a/malloc.c b/malloc.c
index 2ced091..ed7f138 100644
--- a/malloc.c
+++ b/malloc.c
@@ -11,7 +11,7 @@
 
 #include <malloc.h>
 
-#include "libdivide.h"
+#include "third_party/libdivide.h"
 
 #include "malloc.h"
 #include "memory.h"
diff --git a/libdivide.h b/third_party/libdivide.h
similarity index 100%
rename from libdivide.h
rename to third_party/libdivide.h