diff --git a/step05/my_daemon b/step05/my_daemon
index e5ce788..4f3afdd 100755
--- a/step05/my_daemon
+++ b/step05/my_daemon
@@ -7,7 +7,7 @@ if [ -z "$INTERVAL" ]; then
 fi
 
 # メインループ
-while [ ture ];
+while true;
 do
     TM=`date|awk '{print $4}'`
     printf "%s : %s \n" $TM $COUNT
diff --git a/step05/my_daemon2 b/step05/my_daemon2
index aca20e5..ae85cc6 100755
--- a/step05/my_daemon2
+++ b/step05/my_daemon2
@@ -21,7 +21,7 @@ trap save TERM
 
 
 # メインループ
-while [ ture ];
+while true;
 do
     TM=`date|awk '{print $4}'`
     printf "%s : %s \n" $TM $COUNT
diff --git a/step05/my_daemon3 b/step05/my_daemon3
index a033f19..f16fa5b 100644
--- a/step05/my_daemon3
+++ b/step05/my_daemon3
@@ -24,7 +24,7 @@ trap save TERM
 
 
 # メインループ
-while [ ture ];
+while true;
 do
     TM=`date|awk '{print $4}'`
     printf "%s : %s \n" $TM $COUNT