diff --git a/src/slic3r/GUI/ConfigManipulation.cpp b/src/slic3r/GUI/ConfigManipulation.cpp
index c293de353c..34f72db408 100644
--- a/src/slic3r/GUI/ConfigManipulation.cpp
+++ b/src/slic3r/GUI/ConfigManipulation.cpp
@@ -780,7 +780,7 @@ void ConfigManipulation::toggle_print_fff_options(DynamicPrintConfig *config, co
         toggle_field(el, have_support_material && !(support_is_normal_tree && !have_raft));
 
     bool has_ironing = (config->opt_enum<IroningType>("ironing_type") != IroningType::NoIroning);
-    for (auto el : { "ironing_pattern", "ironing_flow", "ironing_spacing", "ironing_angle", "ironing_inset"})
+    for (auto el : { "ironing_pattern", "ironing_flow", "ironing_spacing", "ironing_angle", "ironing_inset", "ironing_angle_fixed" })
         toggle_line(el, has_ironing);
     
     toggle_line("ironing_speed", has_ironing || has_support_ironing);