diff --git a/src/main.c b/src/main.c
index 3e3cc60..575b851 100644
--- a/src/main.c
+++ b/src/main.c
@@ -44,7 +44,7 @@ int32_t main(int32_t argc, char** argv) {
 
 	char const* const cpu_set_log = "set cpu %i to %hi\n";
 	for (int32_t id = 1; id < mcpus; id++) { // start at CPU 1, as CPU 0 is not writeable
-		if (id <= ncpus) {
+		if (id < ncpus) {
 			if (cpu_setter(id, true, opts) && (opts & OPT_VERBOSE))
 				printf(cpu_set_log, id, 1);
 			continue;