diff --git a/Makefile b/Makefile
index 56bae84..a7086f7 100644
--- a/Makefile
+++ b/Makefile
@@ -49,7 +49,7 @@ BBSTOOL-SOURCES=bbstool.scm testing.scm listing.scm dictionary.scm	\
 	month.scm period.scm ansi.scm command-line.scm			\
 	members-base.scm utils.scm primes.scm member-record.scm		\
 	configuration.scm progress.scm table.scm cards.scm		\
-	member-print.scm
+	member-print.scm member-parser.scm
 
 BBSTOOL-OBJS=testing.o listing.o month.o period.o ansi.o dictionary.o	\
 	 command-line.o members-base.o utils.o primes.o			\
diff --git a/bbstool.scm b/bbstool.scm
index eb76bd3..2046c3a 100644
--- a/bbstool.scm
+++ b/bbstool.scm
@@ -43,7 +43,7 @@ CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 	member-parser)
 
 ;; Print banner
-(print "bbstool 0.4 (c) 2023 Brmlab, z.s.")
+(print "bbstool 0.5 (c) 2023 Brmlab, z.s.")
 (newline)
 
 ;; Command-line options and configurable parameters
diff --git a/member-parser.scm b/member-parser.scm
index 96ffd1c..38a6758 100644
--- a/member-parser.scm
+++ b/member-parser.scm
@@ -45,7 +45,9 @@
 	 configuration)
 
  ;; Pass 2: known keys and multikeys
- (define member-schema-known-keys '(nick mail phone name born joined destroyed))
+ (define mandatory-keys '(nick name mail phone))
+ (define optional-keys '(born joined destroyed))
+ (define member-schema-known-keys (append mandatory-keys optional-keys))
  (define member-schema-known-multikeys '(card desfire credit studentstart studentstop suspendstart suspendstop))
 
  ;; Pass 3: Interpreter passes