diff --git a/src/utils/conversion_trigger.hpp b/src/utils/conversion_trigger.hpp
index a749962..9d5d4a5 100644
--- a/src/utils/conversion_trigger.hpp
+++ b/src/utils/conversion_trigger.hpp
@@ -55,4 +55,6 @@
     return std::holds_alternative<AlternativeT>(*collection.begin());
 }
 
+double stodStrict(const std::string& str);
+
 } // namespace utils