diff --git a/internal/runtime/cpu.go b/internal/runtime/cpu.go
index bd1865e74..f2f9377c6 100644
--- a/internal/runtime/cpu.go
+++ b/internal/runtime/cpu.go
@@ -34,7 +34,7 @@ import (
 func NumCPU() int {
 	cpus := runtime.NumCPU()
 
-	cgroupPath, err := libcontainercgroups.FindCgroupMountpoint("cpu")
+	cgroupPath, err := libcontainercgroups.FindCgroupMountpoint("", "cpu")
 	if err != nil {
 		return cpus
 	}