1 files changed, 1 insertions, 1 deletions

diff --git a/lib/decompress_inflate.c b/lib/decompress_inflate.c
index 19ff89e34eec..d619b28c456f 100644
--- a/lib/decompress_inflate.c
+++ b/lib/decompress_inflate.c
@@ -48,7 +48,7 @@ STATIC int INIT gunzip(unsigned char *buf, int len,
                 out_len = 0x8000; /* 32 K */
                 out_buf = malloc(out_len);
         } else {
-                out_len = 0x7fffffff; /* no limit */
+                out_len = ((size_t)~0) - (size_t)out_buf; /* no limit */
         }
         if (!out_buf) {
                 error("Out of memory while allocating output buffer");