diff --git a/po/POTFILES.in b/po/POTFILES.in
index 2219c3d..6b3969a 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -27,4 +27,4 @@ src/utils.c
 src/vars.c
 src/wins.c
 
-scripts/calcurse-upgrade.sh
+scripts/calcurse-upgrade.sh.in
diff --git a/scripts/Makefile.am b/scripts/Makefile.am
index 5502cfd..fc0b83b 100644
--- a/scripts/Makefile.am
+++ b/scripts/Makefile.am
@@ -4,10 +4,16 @@ dist_bin_SCRIPTS = \
 	calcurse-upgrade
 
 EXTRA_DIST = \
-	calcurse-upgrade.sh
+	calcurse-upgrade.sh.in
 
 CLEANFILES = \
 	calcurse-upgrade
 
-calcurse-upgrade: calcurse-upgrade.sh
-	$(AM_V_GEN) $(INSTALL) $< $@
+edit = sed \
+	-e 's|@PACKAGE_VERSION[@]|$(PACKAGE_VERSION)|g'
+
+calcurse-upgrade: calcurse-upgrade.sh.in
+	$(AM_V_at)$(RM) "$@"
+	$(AM_V_GEN)$(edit) <"$(srcdir)/$<" >"$@"
+	$(AM_V_at)chmod +x "$@"
+	$(AM_V_at)chmod a-w "$@"
diff --git a/scripts/calcurse-upgrade.sh b/scripts/calcurse-upgrade.sh.in
similarity index 100%
rename from scripts/calcurse-upgrade.sh
rename to scripts/calcurse-upgrade.sh.in