diff --git a/programs/pkey/rsa_sign.c b/programs/pkey/rsa_sign.c
index ff64736..89018cb 100644
--- a/programs/pkey/rsa_sign.c
+++ b/programs/pkey/rsa_sign.c
@@ -115,7 +115,7 @@
         goto exit;
     }
 
-    if( ( ret = mbedtls_rsa_complete( &rsa, NULL, NULL ) ) != 0 )
+    if( ( ret = mbedtls_rsa_complete( &rsa ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_rsa_complete returned %d\n\n",
                         ret );