diff --git a/scripts/functions b/scripts/functions
index c504684c..3261a800 100644
--- a/scripts/functions
+++ b/scripts/functions
@@ -250,7 +250,7 @@ CT_Which() {
 # to the highest entire second
 # Usage: CT_DoDate <fmt>
 CT_DoDate() {
-    date "$1" |sed -r -e 's/N$/000000000/;'
+    date "$1" |sed -r -e 's/%?N$/000000000/;'
 }
 
 CT_STEP_COUNT=1