diff --git a/pyutils/src/icon4py/icon4pygen/bindings/codegen/header.py b/pyutils/src/icon4py/icon4pygen/bindings/codegen/header.py
index 19da5f1866..321dae71c2 100644
--- a/pyutils/src/icon4py/icon4pygen/bindings/codegen/header.py
+++ b/pyutils/src/icon4py/icon4pygen/bindings/codegen/header.py
@@ -42,7 +42,11 @@
     {%- for field in _this_node.out_fields -%}
     {{ field.renderer.render_ctype('c++') }} {{ field.renderer.render_pointer() }} {{ field.name }}_{{ suffix }},
     {%- endfor -%}
+    {%- if _this_node.tol_fields -%}
     const int verticalStart, const int verticalEnd, const int horizontalStart, const int horizontalEnd,
+    {%- else -%}
+    const int verticalStart, const int verticalEnd, const int horizontalStart, const int horizontalEnd
+    {%- endif -%}
     {%- for field in _this_node.tol_fields -%}
     const double {{ field.name }}_rel_tol,
     const double {{ field.name }}_abs_tol