diff --git a/examples/nettle-benchmark.c b/examples/nettle-benchmark.c
index 0a4a0d91e8664fd05b58a4d2e8d87dca7f7d0f08..4e262629cfa0848366de703592521c9312f3b36f 100644
--- a/examples/nettle-benchmark.c
+++ b/examples/nettle-benchmark.c
@@ -284,9 +284,11 @@ time_memxor(void)
   info.src = src;
   info.dst = dst;
 
-  display ("memxor", "aligned", 0, time_function(bench_memxor, &info));
+  display ("memxor", "aligned", sizeof(unsigned long),
+	   time_function(bench_memxor, &info));
   info.src++;
-  display ("memxor", "unaligned", 0, time_function(bench_memxor, &info));  
+  display ("memxor", "unaligned", sizeof(unsigned long),
+	   time_function(bench_memxor, &info));  
 }
 
 static void