1 files changed, 2 insertions, 2 deletions
diff --git a/manual/examples/memstrm.c b/manual/examples/memstrm.c
index 0d443b1371..5701ba1f39 100644
--- a/manual/examples/memstrm.c
+++ b/manual/examples/memstrm.c
@@ -27,10 +27,10 @@ main (void)
   stream = open_memstream (&bp, &size);
   fprintf (stream, "hello");
   fflush (stream);
-  printf ("buf = `%s', size = %d\n", bp, size);
+  printf ("buf = `%s', size = %zu\n", bp, size);
   fprintf (stream, ", world");
   fclose (stream);
-  printf ("buf = `%s', size = %d\n", bp, size);
+  printf ("buf = `%s', size = %zu\n", bp, size);
 
   return 0;
 }