diff --git a/quill/include/quill/detail/misc/Common.h b/quill/include/quill/detail/misc/Common.h
index 726db210..313d88a7 100644
--- a/quill/include/quill/detail/misc/Common.h
+++ b/quill/include/quill/detail/misc/Common.h
@@ -132,8 +132,8 @@ constexpr bool detect_structured_log_template(std::string_view fmt)
             continue;
           }
 
-            // we found '{' match, we can break
-            break;
+          // we found '{' match, we can break
+          break;
         }
 
         ++pos;
@@ -215,6 +215,7 @@ class CustomTags
 {
 public:
   constexpr CustomTags() = default;
+  virtual ~CustomTags() = default;
   virtual void format(std::string&) const = 0;
 };