diff --git a/lib/Controller/ExAppProxyController.php b/lib/Controller/ExAppProxyController.php
index 358c0a1a..cdd9675a 100644
--- a/lib/Controller/ExAppProxyController.php
+++ b/lib/Controller/ExAppProxyController.php
@@ -263,6 +263,9 @@ private function buildHeadersWithExclude(ExApp $exApp, string $exAppRoute, array
 				unset($headers[$key]);
 			}
 		}
+		if (!isset($headers['X-Origin-IP'])) {
+			$headers['X-Origin-IP'] = $this->request->getRemoteAddress();
+		}
 		return $headers;
 	}
 }