diff --git a/src/codegen/codegen_neuron_cpp_visitor.cpp b/src/codegen/codegen_neuron_cpp_visitor.cpp
index 1b55d94792..301fc96b0b 100644
--- a/src/codegen/codegen_neuron_cpp_visitor.cpp
+++ b/src/codegen/codegen_neuron_cpp_visitor.cpp
@@ -454,7 +454,8 @@ void CodegenNeuronCppVisitor::print_mechanism_register() {
 }
 
 
-void CodegenNeuronCppVisitor::print_mechanism_range_var_structure(bool [[maybe_unused]] print_initializers) {
+void CodegenNeuronCppVisitor::print_mechanism_range_var_structure(
+    bool [[maybe_unused]] print_initializers) {
     printer->add_newline(2);
     printer->add_line("/* NEURON RANGE variables macro definitions */");
     for (auto i = 0; i < codegen_float_variables.size(); ++i) {
diff --git a/test/unit/codegen/codegen_neuron_cpp_visitor.cpp b/test/unit/codegen/codegen_neuron_cpp_visitor.cpp
index b6cfe4a55a..9f759a5cef 100644
--- a/test/unit/codegen/codegen_neuron_cpp_visitor.cpp
+++ b/test/unit/codegen/codegen_neuron_cpp_visitor.cpp
@@ -231,8 +231,10 @@ void _nrn_mechanism_register_data_fields(Args&&... args) {
             std::string expected_initlists_s_var = "_slist1[0] = {4, 0};";
             std::string expected_initlists_Ds_var = "_dlist1[0] = {7, 0};";
 
-            REQUIRE_THAT(generated, ContainsSubstring(reindent_and_trim_text(expected_initlists_s_var)));
-            REQUIRE_THAT(generated, ContainsSubstring(reindent_and_trim_text(expected_initlists_Ds_var)));
+            REQUIRE_THAT(generated,
+                         ContainsSubstring(reindent_and_trim_text(expected_initlists_s_var)));
+            REQUIRE_THAT(generated,
+                         ContainsSubstring(reindent_and_trim_text(expected_initlists_Ds_var)));
         }
         THEN("Placeholder registration function is printed") {
             std::string expected_placeholder_reg = R"CODE(/** register channel with the simulator */