diff --git a/apache-Dockerfile-block-1 b/apache-Dockerfile-block-1
index cbfd1e44d0..88e32f893b 100644
--- a/apache-Dockerfile-block-1
+++ b/apache-Dockerfile-block-1
@@ -49,6 +49,8 @@ RUN { \
 		echo '\tOptions -Indexes'; \
 		echo '\tAllowOverride All'; \
 		echo '</Directory>'; \
+		echo; \
+		echo 'SetEnvIf x-forwarded-proto https HTTPS=on'; \
 	} | tee "$APACHE_CONFDIR/conf-available/docker-php.conf" \
 	&& a2enconf docker-php