diff --git a/sources/titleblock/templatelogomanager.h b/sources/titleblock/templatelogomanager.h
index 7e26c9c56..3a4ff5e90 100644
--- a/sources/titleblock/templatelogomanager.h
+++ b/sources/titleblock/templatelogomanager.h
@@ -73,6 +73,6 @@ class TitleBlockTemplateLogoManager : public QWidget {
 	QLabel *logo_type_;                    ///< current logo type
 	QDialogButtonBox *buttons_;            ///< ok/cancel buttons
 	QDir open_dialog_dir_;                 ///< last opened directory
-	bool read_only_;                       ///< Whether this logo manager should allow logo edition (renaming, addition, deletion)
+	bool read_only_ = false;               ///< Whether this logo manager should allow logo edition (renaming, addition, deletion)
 };
 #endif