diff --git a/include/loot/struct/masterlist_info.h b/include/loot/struct/masterlist_info.h
index 0f3fe7d0..a19582b8 100644
--- a/include/loot/struct/masterlist_info.h
+++ b/include/loot/struct/masterlist_info.h
@@ -32,6 +32,8 @@ namespace loot {
  *        revision.
  */
 struct MasterlistInfo {
+  inline MasterlistInfo() : is_modified(false) {}
+
   /**
    * @brief The revision hash for the masterlist. If the masterlist doesn't
    *        exist, or there is no Git repository at its location, this will be
diff --git a/include/loot/struct/plugin_tags.h b/include/loot/struct/plugin_tags.h
index 36c56cae..ef45b5da 100644
--- a/include/loot/struct/plugin_tags.h
+++ b/include/loot/struct/plugin_tags.h
@@ -33,6 +33,8 @@ namespace loot {
  *        LOOT for a plugin.
  */
 struct PluginTags {
+  inline PluginTags() : userlist_modified(false) {}
+
   /**
    * @brief A set of Bash Tag names suggested for addition to the specified
    *        plugin. Empty if no Bash Tag additions are suggested.