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-rw-r--r--extensions/libipt_owner.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/extensions/libipt_owner.c b/extensions/libipt_owner.c
index 9c92ab2a..9d112cf3 100644
--- a/extensions/libipt_owner.c
+++ b/extensions/libipt_owner.c
@@ -125,7 +125,7 @@ parse(int c, char **argv, int invert, unsigned int *flags,
case '5':
check_inverse(optarg, &invert, &optind, 0);
if(strlen(optarg) > sizeof(ownerinfo->comm))
- exit_error(PARAMETER_PROBLEM, "OWNER CMD `%s' too long, max %d characters", optarg, sizeof(ownerinfo->comm));
+ exit_error(PARAMETER_PROBLEM, "OWNER CMD `%s' too long, max %u characters", optarg, (unsigned int)sizeof(ownerinfo->comm));
strncpy(ownerinfo->comm, optarg, sizeof(ownerinfo->comm));
ownerinfo->comm[sizeof(ownerinfo->comm)-1] = '\0';