diff --git a/apps/CA.pl.in b/apps/CA.pl.in
index f8170f81bafdf91d7bad6acde323391b1f12595e..c783a6e6a541599f81b6055837514cc718496876 100644
--- a/apps/CA.pl.in
+++ b/apps/CA.pl.in
@@ -94,6 +94,9 @@ foreach (@ARGV) {
 		mkdir "${CATOP}/private", $DIRMODE;
 		open OUT, ">${CATOP}/index.txt";
 		close OUT;
+		open OUT, ">${CATOP}/crlnumber";
+		print OUT "01\n";
+		close OUT;
 	    }
 	    if ( ! -f "${CATOP}/private/$CAKEY" ) {
 		print "CA certificate filename (or enter to create)\n";