diff --git a/src/maxwell_interface.cpp b/src/maxwell_interface.cpp
index 7c7d4eadd34c17dd304d818d3a3071f64d0f62f0..eebd90025687f00b7eb71af2ad15131d6944333c 100644
--- a/src/maxwell_interface.cpp
+++ b/src/maxwell_interface.cpp
@@ -596,8 +596,11 @@ parameter_loader::postpro_fieldExportMode(const std::string& field) const
     if (silo_mode == "zonal")
         return field_export_mode::ZONAL;
 
-    std::cout << "[CONFIG] warning: invalid export mode '" << silo_mode;
-    std::cout << "'" << std::endl;
+    if (silo_mode != "none")
+    {
+        std::cout << "[CONFIG] warning: invalid export mode '" << silo_mode;
+        std::cout << "'" << std::endl;
+    }
 
     return field_export_mode::NONE;
 }