diff --git a/tools/testing/selftests/net/ipsec.c b/tools/testing/selftests/net/ipsec.c
index 17ced7d6c..03b048b66 100755
--- a/tools/testing/selftests/net/ipsec.c
+++ b/tools/testing/selftests/net/ipsec.c
@@ -2117,7 +2117,7 @@ static int check_results(void)
 
 int main(int argc, char **argv)
 {
-	unsigned int nr_process = 1;
+	long nr_process = 1;
 	int route_sock = -1, ret = KSFT_SKIP;
 	int test_desc_fd[2];
 	uint32_t route_seq;
@@ -2138,7 +2138,7 @@ int main(int argc, char **argv)
 			exit_usage(argv);
 		}
 
-		if (nr_process > MAX_PROCESSES || !nr_process) {
+		if (nr_process > MAX_PROCESSES || nr_process < 1) {
 			printk("nr_process should be between [1; %u]",
 					MAX_PROCESSES);
 			exit_usage(argv);