diff --git a/library/x509_create.c b/library/x509_create.c
index f7a17e7..839b5df 100644
--- a/library/x509_create.c
+++ b/library/x509_create.c
@@ -9,7 +9,7 @@
 
 #if defined(MBEDTLS_X509_CREATE_C)
 
-#include "mbedtls/x509.h"
+#include "x509_internal.h"
 #include "mbedtls/asn1write.h"
 #include "mbedtls/error.h"
 #include "mbedtls/oid.h"