diff --git a/driver/others/init.c b/driver/others/init.c
index 801f93991..9be6f52b0 100644
--- a/driver/others/init.c
+++ b/driver/others/init.c
@@ -814,7 +814,7 @@ void gotoblas_affinity_init(void) {
 #endif
 
     //returns the number of processors which are currently online
-    common -> num_procs = sysconf(_SC_NPROCESSORS_ONLN);;
+    common -> num_procs = sysconf(_SC_NPROCESSORS_CONF);;
 
     if(common -> num_procs > MAX_CPUS) {
       fprintf(stderr, "\nOpenBLAS Warining : The number of CPU/Cores(%d) is beyond the limit(%d). Terminated.\n", common->num_procs, MAX_CPUS);
@@ -923,7 +923,7 @@ void gotoblas_set_affinity2(int threads) {};
 
 void gotoblas_affinity_reschedule(void) {};
 
-int get_num_procs(void) { return sysconf(_SC_NPROCESSORS_ONLN); }
+int get_num_procs(void) { return sysconf(_SC_NPROCESSORS_CONF); }
 
 int get_num_nodes(void) { return 1; }
 
diff --git a/driver/others/memory.c b/driver/others/memory.c
index e89f5c328..ba1941dbd 100644
--- a/driver/others/memory.c
+++ b/driver/others/memory.c
@@ -175,7 +175,7 @@ int get_num_procs(void);
 #else
 int get_num_procs(void) {
   static int nums = 0;
-  if (!nums) nums = sysconf(_SC_NPROCESSORS_ONLN);
+  if (!nums) nums = sysconf(_SC_NPROCESSORS_CONF);
   return nums;
 }
 #endif
@@ -184,7 +184,7 @@ int get_num_procs(void) {
 #ifdef OS_ANDROID
 int get_num_procs(void) {
   static int nums = 0;
-  if (!nums) nums = sysconf(_SC_NPROCESSORS_ONLN);
+  if (!nums) nums = sysconf(_SC_NPROCESSORS_CONF);
   return nums;
 }
 #endif
diff --git a/getarch.c b/getarch.c
index f8069e507..0c5f4def3 100644
--- a/getarch.c
+++ b/getarch.c
@@ -971,7 +971,7 @@ static int get_num_cores(void) {
 
 #if defined(linux) || defined(__sun__)
   //returns the number of processors which are currently online
-  return sysconf(_SC_NPROCESSORS_ONLN);
+  return sysconf(_SC_NPROCESSORS_CONF);
 
 #elif defined(OS_WINDOWS)