1 files changed, 1 insertions, 1 deletions

diff --git a/infback.c b/infback.c
index 518bf3e7..8cb7654c 100644
--- a/infback.c
+++ b/infback.c
@@ -252,7 +252,7 @@ int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
                         state->last ? " (last)" : ""));
                 state->mode = TABLE;
                 break;
-            case 3:
+            default:
                 strm->msg = (z_const char *)"invalid block type";
                 state->mode = BAD;
             }