diff --git a/rclcpp/include/rclcpp/exceptions/exceptions.hpp b/rclcpp/include/rclcpp/exceptions/exceptions.hpp
index cea8a8303c..b3a53373ed 100644
--- a/rclcpp/include/rclcpp/exceptions/exceptions.hpp
+++ b/rclcpp/include/rclcpp/exceptions/exceptions.hpp
@@ -207,7 +207,7 @@ class UnknownROSArgsError : public std::runtime_error
 };
 
 /// Thrown when an unknown type is passed
-class UnkownTypeError : public std::runtime_error
+class UnknownTypeError : public std::runtime_error
 {
 public:
   explicit UnknownTypeError(const std::string & type)
diff --git a/rclcpp/src/rclcpp/parameter_value.cpp b/rclcpp/src/rclcpp/parameter_value.cpp
index d93a2732e1..ee46e77673 100644
--- a/rclcpp/src/rclcpp/parameter_value.cpp
+++ b/rclcpp/src/rclcpp/parameter_value.cpp
@@ -129,7 +129,7 @@ ParameterValue::ParameterValue(const rcl_interfaces::msg::ParameterValue & value
     case PARAMETER_NOT_SET:
       break;
     default:
-      UnknownTypeError(std::to_string(value.type));
+      throw rclcpp::exceptions::UnknownTypeError(std::to_string(value.type));
   }
 }