X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=tools%2Fafl-fuzz%2Fcompress%2Ffuzz.c;h=4c911725dfc80d9bf197e2b774bc6042b2bd64e5;hp=ccda14b3090142446be667994f4fc61443e50962;hb=8d7a09b59624b60f492fcd4727a16a6b5a5deaef;hpb=af5a1ef2f12ca4691ca54259ad57ea3a4a8aff3f

diff --git a/tools/afl-fuzz/compress/fuzz.c b/tools/afl-fuzz/compress/fuzz.c
index ccda14b3..4c911725 100644
--- a/tools/afl-fuzz/compress/fuzz.c
+++ b/tools/afl-fuzz/compress/fuzz.c
@@ -30,7 +30,7 @@ int main(int argc, char *argv[])
 	assert(ret == 1);
 	ret = read(fd, &level, 1);
 	assert(ret == 1);
-	ctype = 1 + ((ctype - 1) % 3); /* 1-3 */
+	ctype = 1 + ((uint8_t)(ctype - 1) % 3); /* 1-3 */
 	level = 1 + (level % 100); /* 1-100 */
 	usize = stbuf.st_size - 2;