diff --git a/golang/central-api.pb.go b/golang/central-api.pb.go
index 6b25a0a..ef58d40 100644
--- a/golang/central-api.pb.go
+++ b/golang/central-api.pb.go
@@ -183,8 +183,9 @@ var _ grpc.ClientConn
 // is compatible with the grpc package it is being compiled against.
 const _ = grpc.SupportPackageIsVersion4
 
-// Client API for CentralAPI service
-
+// CentralAPIClient is the client API for CentralAPI service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
 type CentralAPIClient interface {
 	Exec(ctx context.Context, in *ServerInput, opts ...grpc.CallOption) (*ServerOutput, error)
 }
@@ -199,7 +200,7 @@ func NewCentralAPIClient(cc *grpc.ClientConn) CentralAPIClient {
 
 func (c *centralAPIClient) Exec(ctx context.Context, in *ServerInput, opts ...grpc.CallOption) (*ServerOutput, error) {
 	out := new(ServerOutput)
-	err := grpc.Invoke(ctx, "/CentralAPI/exec", in, out, c.cc, opts...)
+	err := c.cc.Invoke(ctx, "/CentralAPI/exec", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}