diff --git a/lib/private/files/storage/dav.php b/lib/private/files/storage/dav.php
index 15d9c9292075..9734d36f37de 100644
--- a/lib/private/files/storage/dav.php
+++ b/lib/private/files/storage/dav.php
@@ -185,8 +185,12 @@ public function fopen($path, $mode) {
 				curl_setopt($curl, CURLOPT_URL, $this->createBaseUri() . $this->encodePath($path));
 				curl_setopt($curl, CURLOPT_FILE, $fp);
 				curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
-				curl_setopt($curl, CURLOPT_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
-				curl_setopt($curl, CURLOPT_REDIR_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
+				if(defined('CURLOPT_PROTOCOLS')) {
+					curl_setopt($curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+				}
+				if(defined('CURLOPT_REDIR_PROTOCOLS')) {
+					curl_setopt($curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+				}
 				if ($this->secure === true) {
 					curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
 					curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
@@ -295,8 +299,12 @@ protected function uploadFile($path, $target) {
 		curl_setopt($curl, CURLOPT_INFILESIZE, filesize($path));
 		curl_setopt($curl, CURLOPT_PUT, true);
 		curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
-		curl_setopt($curl, CURLOPT_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
-		curl_setopt($curl, CURLOPT_REDIR_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
+		if(defined('CURLOPT_PROTOCOLS')) {
+			curl_setopt($curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+		}
+		if(defined('CURLOPT_REDIR_PROTOCOLS')) {
+			curl_setopt($curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+		}
 		if ($this->secure === true) {
 			curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
 			curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
diff --git a/lib/private/httphelper.php b/lib/private/httphelper.php
index 08c35e4ae08f..88e9ac76431a 100644
--- a/lib/private/httphelper.php
+++ b/lib/private/httphelper.php
@@ -68,9 +68,12 @@ public function getUrlContent($url) {
 			curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
 			curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);
 			curl_setopt($curl, CURLOPT_URL, $url);
-			curl_setopt($curl, CURLOPT_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
-			curl_setopt($curl, CURLOPT_REDIR_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
-
+			if(defined('CURLOPT_PROTOCOLS')) {
+				curl_setopt($curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+			}
+			if(defined('CURLOPT_REDIR_PROTOCOLS')) {
+				curl_setopt($curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+			}
 			curl_setopt($curl, CURLOPT_USERAGENT, self::USER_AGENT);
 			if ($proxy !== null) {
 				curl_setopt($curl, CURLOPT_PROXY, $proxy);
diff --git a/lib/private/user/http.php b/lib/private/user/http.php
index 8375c4e1e22e..10c95ed43b97 100644
--- a/lib/private/user/http.php
+++ b/lib/private/user/http.php
@@ -72,8 +72,12 @@ public function checkPassword($uid, $password) {
 		curl_setopt($ch, CURLOPT_URL, $url);
 		curl_setopt($ch, CURLOPT_USERPWD, $user.':'.$password);
 		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-		curl_setopt($ch, CURLOPT_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
-		curl_setopt($ch, CURLOPT_REDIR_PROTOCOLS,  CURLPROTO_HTTP | CURLPROTO_HTTPS);
+		if(defined('CURLOPT_PROTOCOLS')) {
+			curl_setopt($curl, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+		}
+		if(defined('CURLOPT_REDIR_PROTOCOLS')) {
+			curl_setopt($curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+		}
 
 		curl_exec($ch);