1 files changed, 2 insertions, 1 deletions

diff --git a/inflate.c b/inflate.c
index 5bdd997..3cff366 100644
--- a/inflate.c
+++ b/inflate.c
@@ -321,7 +321,8 @@ z_streamp z;
   /* search */
   while (n && m < 4)
   {
-    if (*p == (Byte)(m < 2 ? 0 : 0xff))
+    static const Byte mark[4] = {0, 0, 0xff, 0xff};
+    if (*p == mark[m])
       m++;
     else if (*p)
       m = 0;