diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 6a59cdcf8ba3..8e017b4dbc6c 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -5915,7 +5915,7 @@ void free_fd_msr(void)
 	if (!msr_counter_info)
 		return;
 
-	for (int cpu = 0; cpu < topo.max_cpu_num; ++cpu) {
+	for (int cpu = 0; cpu <= topo.max_cpu_num; ++cpu) {
 		if (msr_counter_info[cpu].fd_perf != -1)
 			close(msr_counter_info[cpu].fd_perf);
 	}