1 files changed, 2 insertions, 2 deletions
diff --git a/tests/test-sha1.c b/tests/test-sha1.c
index ef4e576af3..6f2b608eb0 100644
--- a/tests/test-sha1.c
+++ b/tests/test-sha1.c
@@ -36,10 +36,10 @@ main (void)
       size_t i;
       printf ("expected:\n");
       for (i = 0; i < SHA1_DIGEST_SIZE; i++)
-        printf ("%02x ", out1[i] & 0xFF);
+        printf ("%02x ", out1[i] & 0xFFu);
       printf ("\ncomputed:\n");
       for (i = 0; i < SHA1_DIGEST_SIZE; i++)
-        printf ("%02x ", buf[i] & 0xFF);
+        printf ("%02x ", buf[i] & 0xFFu);
       printf ("\n");
       return 1;
     }