diff --git a/src/main/java/dev/dinauer/oidcproxy/ProxyResource.java b/src/main/java/dev/dinauer/oidcproxy/ProxyResource.java
index adfafda..3d303b8 100644
--- a/src/main/java/dev/dinauer/oidcproxy/ProxyResource.java
+++ b/src/main/java/dev/dinauer/oidcproxy/ProxyResource.java
@@ -65,7 +65,8 @@ public class ProxyResource
             LOG.info("Matched route with target '{}'", route.target());
             try
             {
-                HttpResponse<byte[]> response = forward(context.request().headers(), context.request().method(), context.body().buffer().getBytes(), route.strategy(), extractSession(context.request().cookies()), route.target(), concat(dropRoute(route.segments(), requestSegments)));
+                byte[] body = extractBody(context);
+                HttpResponse<byte[]> response = forward(context.request().headers(), context.request().method(), body, route.strategy(), extractSession(context.request().cookies()), route.target(), concat(dropRoute(route.segments(), requestSegments)));
                 ResponseHandler.success(context, response);
             }
             catch (Exception e)
@@ -81,9 +82,26 @@ public class ProxyResource
         }
     }
 
+    private byte[] extractBody(RoutingContext context)
+    {
+        if (context.body().buffer() != null)
+        {
+            return context.body().buffer().getBytes();
+        }
+        return null;
+    }
+
     public HttpResponse<byte[]> forward(MultiMap headers, HttpMethod method, byte[] body, String strategy, String auth, String forwardRoot, String forwardPath) throws IOException, InterruptedException
     {
-        HttpRequest.Builder builder = HttpRequest.newBuilder().method(method.name(), HttpRequest.BodyPublishers.ofByteArray(body)).uri(URI.create(forwardRoot + "/" + forwardPath));
+        HttpRequest.Builder builder = HttpRequest.newBuilder().uri(URI.create(forwardRoot + "/" + forwardPath));
+        if (body != null)
+        {
+            builder.method(method.name(), HttpRequest.BodyPublishers.ofByteArray(body));
+        }
+        else
+        {
+            builder.method(method.name(), HttpRequest.BodyPublishers.noBody());
+        }
         for (Map.Entry<String, String> entry : headers.entries())
         {
             try