diff --git a/generate_parameter_library_py/generate_parameter_library_py/jinja_templates/cpp/parameter_library_header b/generate_parameter_library_py/generate_parameter_library_py/jinja_templates/cpp/parameter_library_header
index 63c2f3c..aa315e0 100644
--- a/generate_parameter_library_py/generate_parameter_library_py/jinja_templates/cpp/parameter_library_header
+++ b/generate_parameter_library_py/generate_parameter_library_py/jinja_templates/cpp/parameter_library_header
@@ -123,7 +123,7 @@ struct StackParams {
       return params_;
     }
 
-    bool try_get_params(Params & params_in) const{
+    bool try_get_params(Params & params_in) const {
       if (mutex_.try_lock()) {
         if (const bool is_old = params_in.__stamp != params_.__stamp; is_old) {
           params_in = params_;