diff --git a/include/ss/converter.hpp b/include/ss/converter.hpp
index b9c7c45..aadc797 100644
--- a/include/ss/converter.hpp
+++ b/include/ss/converter.hpp
@@ -169,6 +169,8 @@ public:
     bool valid() const {
         if constexpr (string_error) {
             return error_.empty();
+        } else if constexpr (throw_on_error) {
+            return true;
         } else {
             return !error_;
         }
diff --git a/include/ss/parser.hpp b/include/ss/parser.hpp
index fcb1b5a..d084d94 100644
--- a/include/ss/parser.hpp
+++ b/include/ss/parser.hpp
@@ -63,6 +63,8 @@ public:
     bool valid() const {
         if constexpr (string_error) {
             return error_.empty();
+        } else if constexpr (throw_on_error) {
+            return true;
         } else {
             return !error_;
         }
diff --git a/include/ss/splitter.hpp b/include/ss/splitter.hpp
index 87e1ac0..091e3c8 100644
--- a/include/ss/splitter.hpp
+++ b/include/ss/splitter.hpp
@@ -34,6 +34,8 @@ public:
     bool valid() const {
         if constexpr (string_error) {
             return error_.empty();
+        } else if constexpr (throw_on_error) {
+            return true;
         } else {
             return !error_;
         }