--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -460,6 +460,7 @@
 	sql_commands.cc \
 	sql_util.cc \
 	state-extension-functions.cc \
+	sys_time.c \
 	sysclip.cc \
 	textfile_highlighters.cc \
 	textview_curses.cc \