diff --git a/omaha_request_params.h b/omaha_request_params.h
index 6284ee1..a9215ae 100644
--- a/omaha_request_params.h
+++ b/omaha_request_params.h
@@ -133,6 +133,9 @@
   inline std::string product_components() const {
     return image_props_.product_components;
   }
+  inline void set_product_components(const std::string& product_components) {
+    image_props_.product_components = product_components;
+  }
 
   inline std::string current_channel() const {
     return image_props_.current_channel;