diff --git a/generate_parameter_library_py/generate_parameter_library_py/jinja_templates/cpp/declare_parameter b/generate_parameter_library_py/generate_parameter_library_py/jinja_templates/cpp/declare_parameter
index 45dcb61..5213ee8 100644
--- a/generate_parameter_library_py/generate_parameter_library_py/jinja_templates/cpp/declare_parameter
+++ b/generate_parameter_library_py/generate_parameter_library_py/jinja_templates/cpp/declare_parameter
@@ -15,7 +15,7 @@ descriptor.floating_point_range.at({{loop.index0}}).from_value = {{validation.ar
 descriptor.floating_point_range.at({{loop.index0}}).to_value = std::numeric_limits<double>::max();
 {%- elif ("upper" in validation.function_name or "lt" == validation.function_base_name or "lt_eq" == validation.function_base_name) and validation.arguments|length == 1 %}
 descriptor.floating_point_range.resize({{loop.index}});
-descriptor.floating_point_range.at({{loop.index0}}).to_value = std::numeric_limits<double>::lowest();
+descriptor.floating_point_range.at({{loop.index0}}).from_value = std::numeric_limits<double>::lowest();
 descriptor.floating_point_range.at({{loop.index0}}).to_value = {{validation.arguments[0]}};
 {%- endif %}
 {%- elif "INTEGER" in parameter_type %}
diff --git a/generate_parameter_library_py/generate_parameter_library_py/jinja_templates/cpp/declare_runtime_parameter b/generate_parameter_library_py/generate_parameter_library_py/jinja_templates/cpp/declare_runtime_parameter
index 244e595..026bb6d 100644
--- a/generate_parameter_library_py/generate_parameter_library_py/jinja_templates/cpp/declare_runtime_parameter
+++ b/generate_parameter_library_py/generate_parameter_library_py/jinja_templates/cpp/declare_runtime_parameter
@@ -31,7 +31,7 @@ descriptor.floating_point_range.at({{loop.index0}}).from_value = {{validation.ar
 descriptor.floating_point_range.at({{loop.index0}}).to_value = std::numeric_limits<double>::max();
 {%- elif ("upper" in validation.function_name or "lt" == validation.function_base_name or "lt_eq" == validation.function_base_name) and validation.arguments|length == 1 %}
 descriptor.floating_point_range.resize({{loop.index}});
-descriptor.floating_point_range.at({{loop.index0}}).to_value = std::numeric_limits<double>::lowest();
+descriptor.floating_point_range.at({{loop.index0}}).from_value = std::numeric_limits<double>::lowest();
 descriptor.floating_point_range.at({{loop.index0}}).to_value = {{validation.arguments[0]}};
 {%- endif %}
 {%- elif "INTEGER" in parameter_type %}