C Puzzle 16 (spot the bug if one exists)

puzzle16.c

#include <stdio.h>
#include <string.h>

int main(int argc, char **argv) {
	char *secret = "secret";
	if (argc < 2) {
		printf("Usage: puzzle16 <secret>");
		return -1;
	}
	printf(argv[1]);
	if (strcmp(argv[1], secret)) {
		printf(" is the secret");
	} else {
		printf(" is not the secret");
	}

	return 0;
}