diff --git a/library/arc4.c b/library/arc4.c
index 309d16a..e790579 100644
--- a/library/arc4.c
+++ b/library/arc4.c
@@ -26,20 +26,20 @@
  */
 
 #if !defined(POLARSSL_CONFIG_FILE)
-#include "polarssl/config.h"
+#include "mbedtls/config.h"
 #else
 #include POLARSSL_CONFIG_FILE
 #endif
 
 #if defined(POLARSSL_ARC4_C)
 
-#include "polarssl/arc4.h"
+#include "mbedtls/arc4.h"
 
 #include <string.h>
 
 #if defined(POLARSSL_SELF_TEST)
 #if defined(POLARSSL_PLATFORM_C)
-#include "polarssl/platform.h"
+#include "mbedtls/platform.h"
 #else
 #include <stdio.h>
 #define polarssl_printf printf