diff --git a/include/functions.php b/include/functions.php
index 7e08d2296..e9b1270fb 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -379,6 +379,10 @@
 			curl_setopt($ch, CURLOPT_ENCODING, "");
 			curl_setopt($ch, CURLOPT_REFERER, $url);
 
+			if (defined('_CURL_HTTP_PROXY')) {
+				curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
+			}
+
 			if ($post_query) {
 				curl_setopt($ch, CURLOPT_POST, true);
 				curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
@@ -4216,6 +4220,10 @@
 		curl_setopt($curl, CURLOPT_TIMEOUT, 60);
 		curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
 
+		if (defined('_CURL_HTTP_PROXY')) {
+			curl_setopt($curl, CURLOPT_PROXY, _CURL_HTTP_PROXY);
+		}
+
 		if ((OPENSSL_VERSION_NUMBER >= 0x0090808f) && (OPENSSL_VERSION_NUMBER < 0x10000000)) {
 			curl_setopt($curl, CURLOPT_SSLVERSION, 3);
 		}
diff --git a/plugins/af_unburn/init.php b/plugins/af_unburn/init.php
index a97502b12..5873ccdf7 100644
--- a/plugins/af_unburn/init.php
+++ b/plugins/af_unburn/init.php
@@ -38,6 +38,10 @@ class Af_Unburn extends Plugin {
 				curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir"));
 				curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
 
+				if (defined('_CURL_HTTP_PROXY')) {
+					curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
+				}
+
 				$contents = @curl_exec($ch);
 
 				$real_url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);