diff --git a/man3/fread.3 b/man3/fread.3
index e1284e05e..e3f34b7d1 100644
--- a/man3/fread.3
+++ b/man3/fread.3
@@ -153,8 +153,8 @@ main(void)
 
     unsigned char buffer[4];
 
-    size_t ret = fread(buffer, ARRAY_SIZE(buffer), sizeof(*buffer), fp);
-    if (ret != sizeof(*buffer)) {
+    size_t ret = fread(buffer, sizeof(*buffer), ARRAY_SIZE(buffer), fp);
+    if (ret != ARRAY_SIZE(buffer)) {
         fprintf(stderr, "fread() failed: %zu\en", ret);
         exit(EXIT_FAILURE);
     }