diff --git a/acme-tiny-sign.sh b/acme-tiny-sign.sh
index 93eda8a..edceb37 100644
--- a/acme-tiny-sign.sh
+++ b/acme-tiny-sign.sh
@@ -27,7 +27,7 @@ for csr in csr/*.csr; do
   fi
   if test -w "$crt" || test ! -e "$crt"; then
     echo acme_tiny --account-key private/account.key --csr "$csr" \
-	--acme-dir /var/www/challenges/ --chain --out "$crt"
+	--acme-dir /var/www/challenges/ --out "$crt"
   else
     echo "Can't write to $crt" 
     rc="1"
@@ -35,7 +35,7 @@ for csr in csr/*.csr; do
   fi
 
   if /usr/sbin/acme_tiny --account-key private/account.key --csr "$csr" \
-	--acme-dir /var/www/challenges/ --chain > "$tmp"; then
+	--acme-dir /var/www/challenges/ > "$tmp"; then
 	mv "$tmp" "$crt" || exit 1
   else
 	test -e "$tmp" && test ! -s "$tmp" && rm "$tmp"
diff --git a/acme-tiny.spec b/acme-tiny.spec
index 476c138..14683b3 100644
--- a/acme-tiny.spec
+++ b/acme-tiny.spec
@@ -31,7 +31,7 @@ Source6:	acme-tiny.timer
 Source7:	acme-tiny.service
 Source8:	README-fedora.md
 # Fetch and include intermediate cert(s), too.
-#Patch0:		acme-tiny-chain.patch
+Patch0:		acme-tiny-chain.patch
 # Python3 broke getallmatchingheaders() and the fix breaks python2
 Patch1:		acme-tiny-chain2.patch
 
@@ -79,11 +79,12 @@ unneeded packages.
 %prep
 %setup -q -n %{name}-%{version}
 cp -p %{SOURCE1} %{SOURCE2} %{SOURCE8} .
+sed -i.orig -e '1,1 s,^.*python$,#!/usr/bin/python,' acme_tiny.py
 %if %{use_python3}
 #patch0 -p1 -b .chain
 sed -i.old -e '1,1 s/python$/python3/' *.py
 #else
-#patch1 -p1 -b .chain
+#patch1 -p1 -b .chain2
 %endif
 
 %build