diff --git a/library/x509_crt.c b/library/x509_crt.c
index 3a8c5bbdf..c601686f9 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -169,6 +169,7 @@ int mbedtls_x509_crt_flush_cache( mbedtls_x509_crt const *crt )
 }
 
 static int x509_crt_frame_parse_ext( mbedtls_x509_crt_frame *frame );
+
 int mbedtls_x509_crt_cache_provide_frame( mbedtls_x509_crt const *crt )
 {
     mbedtls_x509_crt_cache *cache = crt->cache;