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-rw-r--r--lib/command_match.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/command_match.c b/lib/command_match.c
index e9e8466ffd..367362f7b5 100644
--- a/lib/command_match.c
+++ b/lib/command_match.c
@@ -948,7 +948,7 @@ static enum match_type match_ipv6_prefix(const char *str, bool prefix)
if (*endptr != '\0')
return no_match;
- if (mask < 0 || mask > 128)
+ if (mask < 0 || mask > IPV6_MAX_BITLEN)
return no_match;
return exact_match;