diff --git a/programs/test/benchmark.c b/programs/test/benchmark.c
index e0d65d3..baf7f4f 100644
--- a/programs/test/benchmark.c
+++ b/programs/test/benchmark.c
@@ -297,7 +297,7 @@
 
         memset( buf, 0, sizeof( buf ) );
         memset( tmp, 0, sizeof( tmp ) );
-        gcm_init( &gcm, tmp, keysize );
+        gcm_init( &gcm, POLARSSL_CIPHER_ID_AES, tmp, keysize );
 
         set_alarm( 1 );