diff -Nru debian-installer-utils-1.105ubuntu1.14.04.1/debian/changelog debian-installer-utils-1.105ubuntu1.14.04.2/debian/changelog
--- debian-installer-utils-1.105ubuntu1.14.04.1/debian/changelog	2015-07-08 17:55:38.000000000 +0000
+++ debian-installer-utils-1.105ubuntu1.14.04.2/debian/changelog	2018-11-14 12:03:45.000000000 +0000
@@ -1,3 +1,11 @@
+debian-installer-utils (1.105ubuntu1.14.04.2) trusty; urgency=medium
+
+  * fetch-url-methods/http: use '--no-check-certificate' for HTTP as well
+    (iff 'debian-installer/allow_unauthenticated_ssl' is specified anyway)
+    to support HTTP to HTTPS redirects. (LP: #1803385)
+
+ -- Mauricio Faria de Oliveira <mfo@canonical.com>  Wed, 14 Nov 2018 08:45:00 -0200
+
 debian-installer-utils (1.105ubuntu1.14.04.1) trusty; urgency=medium
 
   * Add support for --- as a user-params separator (for parameters on the
diff -Nru debian-installer-utils-1.105ubuntu1.14.04.1/fetch-url-methods/http debian-installer-utils-1.105ubuntu1.14.04.2/fetch-url-methods/http
--- debian-installer-utils-1.105ubuntu1.14.04.1/fetch-url-methods/http	2015-07-08 17:44:25.000000000 +0000
+++ debian-installer-utils-1.105ubuntu1.14.04.2/fetch-url-methods/http	2018-11-14 12:03:45.000000000 +0000
@@ -28,7 +28,7 @@
 
 	if wget --version 2>/dev/null | grep -q 'GNU Wget'; then
 		options=--no-verbose
-		if [ "https" = "$proto" ] && \
+		if [ "https" = "$proto" ] || [ "http" = "$proto" ] && \
 		   db_get debian-installer/allow_unauthenticated_ssl && [ "$RET" = true ]; then
 			options="$options --no-check-certificate"
 		fi