diff --git a/scripts/cpufreqctl.sh b/scripts/cpufreqctl.sh
index dad4b98..6d1649c 100755
--- a/scripts/cpufreqctl.sh
+++ b/scripts/cpufreqctl.sh
@@ -96,7 +96,7 @@ function driver () {
 }
 
 function write_value () {
-  if [ -w $FLNM ]; then echo $VALUE > $FLNM; fi
+  if [ -w $FLNM ]; then echo $VALUE > $FLNM 2>/dev/null; fi
 }
 
 function set_driver () {