diff --git a/library/certs.c b/library/certs.c
index 95fc8cc..bf12f77 100644
--- a/library/certs.c
+++ b/library/certs.c
@@ -21,7 +21,7 @@
  */
 
 #if !defined(POLARSSL_CONFIG_FILE)
-#include "polarssl/config.h"
+#include "mbedtls/config.h"
 #else
 #include POLARSSL_CONFIG_FILE
 #endif