diff --git a/internal/proxy/connect_handler_test.go b/internal/proxy/connect_handler_test.go
index 405d8d8fa..4a21800e7 100644
--- a/internal/proxy/connect_handler_test.go
+++ b/internal/proxy/connect_handler_test.go
@@ -43,6 +43,9 @@ func getTestHttpProxy(commonProxyTestCase *tools.CommonHTTPProxyTestCase, endpoi
 		StaticHttpHeaders: map[string]string{
 			"X-Test": "test",
 		},
+		HttpStatusTransforms: []HttpStatusToCodeTransform{
+			{StatusCode: 404, ToDisconnect: TransformDisconnect{Code: 4504, Reason: "not found"}},
+		},
 	}
 }
 
@@ -334,3 +337,32 @@ func TestHandleConnectWithSubscriptionError(t *testing.T) {
 		require.Equal(t, centrifuge.ConnectReply{}, reply, c.protocol)
 	}
 }
+
+func TestHandleConnectWithHTTPCodeTransform(t *testing.T) {
+	grpcTestCase := newConnHandleGRPCTestCase(context.Background(), newProxyGRPCTestServer("http status code transform", proxyGRPCTestServerOptions{}))
+	defer grpcTestCase.Teardown()
+
+	httpTestCase := newConnHandleHTTPTestCase(context.Background(), "/proxy")
+	httpTestCase.Mux.HandleFunc("/proxy", func(w http.ResponseWriter, req *http.Request) {
+		w.WriteHeader(http.StatusNotFound)
+		_, _ = w.Write([]byte(`{}`))
+	})
+	defer httpTestCase.Teardown()
+
+	cases := newConnHandleTestCases(httpTestCase, grpcTestCase)
+	for _, c := range cases {
+		if c.protocol == "grpc" {
+			continue // Transforms not supported.
+		}
+
+		expectedErr := centrifuge.Disconnect{
+			Code:   4504,
+			Reason: "not found",
+		}
+
+		reply, err := c.invokeHandle(context.Background())
+		require.NotNil(t, err, c.protocol)
+		require.Equal(t, expectedErr.Error(), err.Error(), c.protocol)
+		require.Equal(t, centrifuge.ConnectReply{}, reply, c.protocol)
+	}
+}
diff --git a/internal/proxy/connect_http.go b/internal/proxy/connect_http.go
index 973a910e4..37b612766 100644
--- a/internal/proxy/connect_http.go
+++ b/internal/proxy/connect_http.go
@@ -41,7 +41,7 @@ func (p *HTTPConnectProxy) ProxyConnect(ctx context.Context, req *proxyproto.Con
 	}
 	respData, err := p.httpCaller.CallHTTP(ctx, p.config.Endpoint, httpRequestHeaders(ctx, p.config), data)
 	if err != nil {
-		protocolError, protocolDisconnect := transformHTTPError(err, p.config.HttpStatusTransforms)
+		protocolError, protocolDisconnect := transformHTTPStatusError(err, p.config.HttpStatusTransforms)
 		if protocolError != nil || protocolDisconnect != nil {
 			return &proxyproto.ConnectResponse{
 				Error:      protocolError,
diff --git a/internal/proxy/http.go b/internal/proxy/http.go
index 24c2f1702..557bcfbfb 100644
--- a/internal/proxy/http.go
+++ b/internal/proxy/http.go
@@ -109,7 +109,7 @@ func stringInSlice(a string, list []string) bool {
 	return false
 }
 
-func transformHTTPError(err error, transforms []HttpStatusToCodeTransform) (*proxyproto.Error, *proxyproto.Disconnect) {
+func transformHTTPStatusError(err error, transforms []HttpStatusToCodeTransform) (*proxyproto.Error, *proxyproto.Disconnect) {
 	if len(transforms) == 0 {
 		return nil, nil
 	}
diff --git a/internal/proxy/publish_http.go b/internal/proxy/publish_http.go
index 0a27e6ced..4186f09ac 100644
--- a/internal/proxy/publish_http.go
+++ b/internal/proxy/publish_http.go
@@ -44,6 +44,13 @@ func (p *HTTPPublishProxy) ProxyPublish(ctx context.Context, req *proxyproto.Pub
 	}
 	respData, err := p.httpCaller.CallHTTP(ctx, p.config.Endpoint, httpRequestHeaders(ctx, p.config), data)
 	if err != nil {
+		protocolError, protocolDisconnect := transformHTTPStatusError(err, p.config.HttpStatusTransforms)
+		if protocolError != nil || protocolDisconnect != nil {
+			return &proxyproto.PublishResponse{
+				Error:      protocolError,
+				Disconnect: protocolDisconnect,
+			}, nil
+		}
 		return nil, err
 	}
 	return httpDecoder.DecodePublishResponse(respData)
diff --git a/internal/proxy/refresh_http.go b/internal/proxy/refresh_http.go
index b5741e672..c3621692d 100644
--- a/internal/proxy/refresh_http.go
+++ b/internal/proxy/refresh_http.go
@@ -40,6 +40,13 @@ func (p *HTTPRefreshProxy) ProxyRefresh(ctx context.Context, req *proxyproto.Ref
 	if err != nil {
 		return nil, err
 	}
+	protocolError, protocolDisconnect := transformHTTPStatusError(err, p.config.HttpStatusTransforms)
+	if protocolError != nil || protocolDisconnect != nil {
+		return &proxyproto.RefreshResponse{
+			Error:      protocolError,
+			Disconnect: protocolDisconnect,
+		}, nil
+	}
 	return httpDecoder.DecodeRefreshResponse(respData)
 }
 
diff --git a/internal/proxy/rpc_http.go b/internal/proxy/rpc_http.go
index d78a37ed5..4303f7823 100644
--- a/internal/proxy/rpc_http.go
+++ b/internal/proxy/rpc_http.go
@@ -31,6 +31,13 @@ func (p *HTTPRPCProxy) ProxyRPC(ctx context.Context, req *proxyproto.RPCRequest)
 	}
 	respData, err := p.httpCaller.CallHTTP(ctx, p.config.Endpoint, httpRequestHeaders(ctx, p.config), data)
 	if err != nil {
+		protocolError, protocolDisconnect := transformHTTPStatusError(err, p.config.HttpStatusTransforms)
+		if protocolError != nil || protocolDisconnect != nil {
+			return &proxyproto.RPCResponse{
+				Error:      protocolError,
+				Disconnect: protocolDisconnect,
+			}, nil
+		}
 		return nil, err
 	}
 	return httpDecoder.DecodeRPCResponse(respData)
diff --git a/internal/proxy/sub_refresh_http.go b/internal/proxy/sub_refresh_http.go
index 4de1640c0..4d7fcf9cf 100644
--- a/internal/proxy/sub_refresh_http.go
+++ b/internal/proxy/sub_refresh_http.go
@@ -39,6 +39,13 @@ func (p *HTTPSubRefreshProxy) ProxySubRefresh(ctx context.Context, req *proxypro
 	}
 	respData, err := p.httpCaller.CallHTTP(ctx, p.config.Endpoint, httpRequestHeaders(ctx, p.config), data)
 	if err != nil {
+		protocolError, protocolDisconnect := transformHTTPStatusError(err, p.config.HttpStatusTransforms)
+		if protocolError != nil || protocolDisconnect != nil {
+			return &proxyproto.SubRefreshResponse{
+				Error:      protocolError,
+				Disconnect: protocolDisconnect,
+			}, nil
+		}
 		return nil, err
 	}
 	return httpDecoder.DecodeSubRefreshResponse(respData)
diff --git a/internal/proxy/subscribe_http.go b/internal/proxy/subscribe_http.go
index 6cf0276f2..3fa09b771 100644
--- a/internal/proxy/subscribe_http.go
+++ b/internal/proxy/subscribe_http.go
@@ -31,6 +31,13 @@ func (p *HTTPSubscribeProxy) ProxySubscribe(ctx context.Context, req *proxyproto
 	}
 	respData, err := p.httpCaller.CallHTTP(ctx, p.config.Endpoint, httpRequestHeaders(ctx, p.config), data)
 	if err != nil {
+		protocolError, protocolDisconnect := transformHTTPStatusError(err, p.config.HttpStatusTransforms)
+		if protocolError != nil || protocolDisconnect != nil {
+			return &proxyproto.SubscribeResponse{
+				Error:      protocolError,
+				Disconnect: protocolDisconnect,
+			}, nil
+		}
 		return nil, err
 	}
 	return httpDecoder.DecodeSubscribeResponse(respData)