diff --git a/library/pkcs12.c b/library/pkcs12.c
index 96c64ad..b26f566 100644
--- a/library/pkcs12.c
+++ b/library/pkcs12.c
@@ -25,11 +25,7 @@
  *  ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-12/pkcs-12v1-1.asn
  */
 
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
+#include "common.h"
 
 #if defined(MBEDTLS_PKCS12_C)