DateMeter followup
diff --git a/DateTimeMeter.c b/DateTimeMeter.c
index 5c60884..32dd5d1 100644
--- a/DateTimeMeter.c
+++ b/DateTimeMeter.c
@@ -12,7 +12,7 @@
 #include <time.h>
 
 
-int DateTimeMeter_attributes[] = {
+static const int DateTimeMeter_attributes[] = {
    DATETIME
 };