diff --git a/package/lean/autocore/files/x86/autocore b/package/lean/autocore/files/x86/autocore
index 77955ceaa..3172beba3 100755
--- a/package/lean/autocore/files/x86/autocore
+++ b/package/lean/autocore/files/x86/autocore
@@ -32,7 +32,7 @@ start()
 	
 	if [ -d /sys/devices/cpu_atom/ ]; then
     pcore=$(cat /sys/devices/cpu_core/cpus | awk -F- '{print $2}') 
-    pc=$(echo "$pcore+1" | bc) 
+    pc=$(echo "($pcore+1)/2" | bc) 
     ecore1=$(cat /sys/devices/cpu_atom/cpus | awk -F- '{print $1}') 
     ecore2=$(cat /sys/devices/cpu_atom/cpus | awk -F- '{print $2}')
     ec=$(echo "$ecore2-$ecore1+1" | bc)