diff --git a/src/cpu.cpp b/src/cpu.cpp
index 960a772..6595a4e 100644
--- a/src/cpu.cpp
+++ b/src/cpu.cpp
@@ -44,7 +44,7 @@ void update(cpuSensors* c) {
     // lots of reads but still faster than reading /proc/cpuinfo
     char buf[5];
     for (uint8_t i = 0; i < N_CPU; i++) {
-        readFile2("/sys/devices/system/cpu/cpu1/cpufreq/scaling_cur_freq", buf, sizeof(buf));
+        readFile2("/sys/devices/system/cpu/cpu" + std::to_string(i) + "/cpufreq/scaling_cur_freq", buf, sizeof(buf));
         c->avg_freq += strtol(buf, NULL, 10);
     }
     c->avg_freq /= N_CPU;