diff --git a/Makefile.in b/Makefile.in
index f6e12c11..de825203 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -78,7 +78,7 @@ xcurses.h:
 
 $(ZIPFILE): xcurses.h
 	zip -9y $(ZIPFILE) README HISTORY INSTALL TODO *.spec version \
-	Makefile.in config.h.in configure xcurses-config.in configure.in \
+	Makefile.in config.h.in configure xcurses-config.in configure.ac \
 	config.guess config.sub install-sh aclocal.m4 curses.h xcurses.h \
 	curspriv.h panel.h term.h maintain.er pdcurses/README \
 	pdcurses/*.c demos/README demos/*.c demos/*.h common/accommon.m4 \
@@ -99,7 +99,7 @@ zip: $(ZIPFILE)
 	$(PDC_DIR)/config.h.in $(PDC_DIR)/configure $(PDC_DIR)/config.guess \
 	$(PDC_DIR)/aclocal.m4 $(PDC_DIR)/common/accommon.m4 \
 	$(PDC_DIR)/xcurses-config.in $(PDC_DIR)/config.sub \
-	$(PDC_DIR)/configure.in $(PDC_DIR)/install-sh \
+	$(PDC_DIR)/configure.ac $(PDC_DIR)/install-sh \
 	$(PDC_DIR)/curses.h $(PDC_DIR)/xcurses.h $(PDC_DIR)/curspriv.h \
 	$(PDC_DIR)/panel.h $(PDC_DIR)/term.h $(PDC_DIR)/maintain.er \
 	$(PDC_DIR)/pdcurses/README $(PDC_DIR)/pdcurses/*.c \