diff --git a/collector/cpufreq_linux.go b/collector/cpufreq_linux.go
index d3651e98..3372be1a 100644
--- a/collector/cpufreq_linux.go
+++ b/collector/cpufreq_linux.go
@@ -18,10 +18,10 @@ package collector
 
 import (
 	"fmt"
-
 	"github.com/go-kit/log"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/procfs/sysfs"
+	"strings"
 )
 
 type cpuFreqCollector struct {