diff --git a/src/Makefile b/src/Makefile
index c128021..db3b50a 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -32,13 +32,13 @@ static: ../hackerbase
 CSC=csc
 
 HACKERBASE-DEPS=hackerbase.scm month.import.scm				\
-	command-line.import.scm mbase.import.scm			\
-	brmember.import.scm configuration.import.scm		\
-	cards.import.scm members-print.import.scm			\
-	members-payments.import.scm web-static.import.scm		\
-	environment.import.scm mailman.import.scm texts.import.scm	\
-	tests.import.scm reminders.import.scm logging.import.scm	\
-	progress.import.scm
+	command-line.import.scm mbase.import.scm brmember.import.scm	\
+	configuration.import.scm cards.import.scm			\
+	members-print.import.scm members-payments.import.scm		\
+	web-static.import.scm environment.import.scm			\
+	mailman.import.scm texts.import.scm tests.import.scm		\
+	reminders.import.scm logging.import.scm progress.import.scm	\
+	period.import.scm
 
 HACKERBASE-OBJS=hackerbase.o testing.o listing.o month.o period.o	\
 	 ansi.o util-dict-list.o command-line.o mbase.o		\
diff --git a/src/hackerbase.scm b/src/hackerbase.scm
index 3d470e5..b0395e6 100644
--- a/src/hackerbase.scm
+++ b/src/hackerbase.scm
@@ -40,7 +40,8 @@
 	reminders
 	util-mail
 	logging
-	progress)
+	progress
+	period)
 
 ;; Command-line options and configurable parameters
 (define -needs-bank- (make-parameter #f))