diff --git a/include/mbedtls/hkdf.h b/include/mbedtls/hkdf.h
index 40ee64e..20f325d 100644
--- a/include/mbedtls/hkdf.h
+++ b/include/mbedtls/hkdf.h
@@ -28,12 +28,12 @@
 #define MBEDTLS_HKDF_H
 
 #if !defined(MBEDTLS_CONFIG_FILE)
-#include "config.h"
+#include "mbedtls/config.h"
 #else
 #include MBEDTLS_CONFIG_FILE
 #endif
 
-#include "md.h"
+#include "mbedtls/md.h"
 
 /**
  *  \name HKDF Error codes