diff --git a/templates/invoice_allocation_templates.xml b/templates/invoice_allocation_templates.xml
index c0b955a14422e307a71f803631cbf368e5d3e93a..03903133d1ba99db15c5ad78fd3fbe8c30a20f28 100644
--- a/templates/invoice_allocation_templates.xml
+++ b/templates/invoice_allocation_templates.xml
@@ -104,6 +104,7 @@
                                                 data-input-name="employee"
                                                 min="0"
                                                 max="100"
+                                                step="0.5"
                                                 t-att-value="i.get_employee_allocation(p)"
                                             />
                                     </div>