diff --git a/include/mbedtls/x509_crt.h b/include/mbedtls/x509_crt.h
index 6983d60..e4fb135 100644
--- a/include/mbedtls/x509_crt.h
+++ b/include/mbedtls/x509_crt.h
@@ -25,14 +25,14 @@
 #define MBEDTLS_X509_CRT_H
 
 #if !defined(MBEDTLS_CONFIG_FILE)
-#include "config.h"
+#include "mbedtls/config.h"
 #else
 #include MBEDTLS_CONFIG_FILE
 #endif
 
-#include "x509.h"
-#include "x509_crl.h"
-#include "bignum.h"
+#include "mbedtls/x509.h"
+#include "mbedtls/x509_crl.h"
+#include "mbedtls/bignum.h"
 
 /**
  * \addtogroup x509_module