diff --git a/core/src/lib/parse_conf.h b/core/src/lib/parse_conf.h
index 88ecc6fe0b8..4b5be8c4f7c 100644
--- a/core/src/lib/parse_conf.h
+++ b/core/src/lib/parse_conf.h
@@ -419,7 +419,8 @@ class ConfigurationParser {
   void SetResourceDefaultsParserPass2(ResourceItem* item);
 };
 
-struct ResHeadContainer {
+class ResHeadContainer {
+ public:
   BareosResource** res_head_ = nullptr;
   ConfigurationParser* config_ = nullptr;