diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index 0d6dc4b92cc2..9f661426e4a1 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -215,7 +215,7 @@ static void vmlogrdr_iucv_message_pending(struct iucv_path *path,
 
 static int vmlogrdr_get_recording_class_AB(void)
 {
-	char cp_command[]="QUERY COMMAND RECORDING ";
+	static const char cp_command[] = "QUERY COMMAND RECORDING ";
 	char cp_response[80];
 	char *tail;
 	int len,i;
@@ -638,7 +638,7 @@ static ssize_t vmlogrdr_recording_status_show(struct device_driver *driver,
 					      char *buf)
 {
 
-	char cp_command[] = "QUERY RECORDING ";
+	static const char cp_command[] = "QUERY RECORDING ";
 	int len;
 
 	cpcmd(cp_command, buf, 4096, NULL);