1 files changed, 1 insertions, 1 deletions

diff --git a/crc32.c b/crc32.c
index a7fd3f8..62b025f 100644
--- a/crc32.c
+++ b/crc32.c
@@ -369,7 +369,7 @@ local void gf2_matrix_square(square, mat)
 uLong ZEXPORT crc32_combine(crc1, crc2, len2)
     uLong crc1;
     uLong crc2;
-    uLong len2;
+    z_off_t len2;
 {
     int n;
     unsigned long row;