diff --git a/run.sh b/run.sh
index ff37aea..b43caef 100644
--- a/run.sh
+++ b/run.sh
@@ -4,6 +4,7 @@ USER=`echo $DATABASE_URL | grep -o "//[[:alnum:]]*:" | grep -o "[[:alnum:]]*"`
 PASSWD=`echo $DATABASE_URL | grep -o ":[[:alnum:]]*@" | grep -o "[[:alnum:]]*"`
 printf "[server]\nHTTP_PORT = $PORT;\n" > /var/lib/gitea/custom/conf/app.ini
 printf "DOMAIN = $HEROKU_APP_DEFAULT_DOMAIN_NAME\n" >> /var/lib/gitea/custom/conf/app.ini
+printf "PROTOCOL = https\n" >> /var/lib/gitea/custom/conf/app.ini
 printf "\n[database]\nDB_TYPE = postgres;\n" >> /var/lib/gitea/custom/conf/app.ini
 printf "NAME = $NAME;\n" >> /var/lib/gitea/custom/conf/app.ini
 printf "HOST = $HOST;\n" >> /var/lib/gitea/custom/conf/app.ini