diff --git a/js/apps/system/aardvark/frontend/js/client/bootstrap/module-internal.js b/js/apps/system/aardvark/frontend/js/client/bootstrap/module-internal.js
index 2c2da833bd..4150e8c275 100644
--- a/js/apps/system/aardvark/frontend/js/client/bootstrap/module-internal.js
+++ b/js/apps/system/aardvark/frontend/js/client/bootstrap/module-internal.js
@@ -209,7 +209,7 @@
       }
 
       if (body !== undefined && body !== "") {
-        curl += "--data @- ";
+        curl += "--data-binary @- ";
       }
 
       curl += "--dump - http://localhost:8529" + url;
diff --git a/js/client/bootstrap/module-internal.js b/js/client/bootstrap/module-internal.js
index 2c2da833bd..4150e8c275 100644
--- a/js/client/bootstrap/module-internal.js
+++ b/js/client/bootstrap/module-internal.js
@@ -209,7 +209,7 @@
       }
 
       if (body !== undefined && body !== "") {
-        curl += "--data @- ";
+        curl += "--data-binary @- ";
       }
 
       curl += "--dump - http://localhost:8529" + url;