--- src/indicator-cpufreq/indicator_cpufreq/cpufreq.py	2016-10-19 07:45:42.210318252 +0900
+++ src/indicator-cpufreq/indicator_cpufreq/cpufreq.py	2016-10-19 08:13:35.815333349 +0900
@@ -56,8 +56,8 @@
 
 ###############################################################################
 
-_libcpufreq.cpufreq_cpu_exists.argtypes = [c_uint]
-_libcpufreq.cpufreq_cpu_exists.restype = c_int
+_libcpufreq.cpupower_is_cpu_online.argtypes = [c_uint]
+_libcpufreq.cpupower_is_cpu_online.restype = c_int
 
 _libcpufreq.cpufreq_get_freq_kernel.argtypes = [c_uint]
 _libcpufreq.cpufreq_get_freq_kernel.restype = c_ulong
@@ -118,7 +118,7 @@
 _libcpufreq.cpufreq_set_frequency.restype = c_int
 
 def cpu_exists(cpu):
-    return _libcpufreq.cpufreq_cpu_exists(cpu)
+    return _libcpufreq.cpupower_is_cpu_online(cpu)
 
 def get_freq_kernel(cpu):
     return _libcpufreq.cpufreq_get_freq_kernel(cpu)