diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index f7e88a0318..e922af9c5d 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -3345,16 +3345,17 @@ void PrintConfigDef::init_fff_params()
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(0));
     
-    def = this->add("max_volumetric_extrusion_rate_slope_segment_length", coInt);
+    def = this->add("max_volumetric_extrusion_rate_slope_segment_length", coFloat);
     def->label = L("Smoothing segment length");
     def->tooltip = L("A lower value results in smoother extrusion rate transitions. However, this results in a significantly larger gcode file "
     				 "and more instructions for the printer to process. \n\n"
     				 "Default value of 3 works well for most cases. If your printer is stuttering, increase this value to reduce the number of adjustments made\n\n"
-    				 "Allowed values: 1-5");
-    def->min = 1;
+    				 "Allowed values: 0.5-5");
+    def->min = 0.5;
     def->max = 5;
+    def->sidetext = L("mm");
     def->mode = comAdvanced;
-    def->set_default_value(new ConfigOptionInt(3));
+    def->set_default_value(new ConfigOptionFloat(3.0));
     
     def = this->add("extrusion_rate_smoothing_external_perimeter_only", coBool);
     def->label = L("Apply only on external features");
@@ -3363,6 +3364,7 @@ void PrintConfigDef::init_fff_params()
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionBool(false));
 
+
     def = this->add("fan_min_speed", coFloats);
     def->label = L("Fan speed");
     def->tooltip = L("Minimum speed for part cooling fan");
diff --git a/src/libslic3r/PrintConfig.hpp b/src/libslic3r/PrintConfig.hpp
index a9bcfe76d0..e406e4f3c2 100644
--- a/src/libslic3r/PrintConfig.hpp
+++ b/src/libslic3r/PrintConfig.hpp
@@ -1091,8 +1091,9 @@ PRINT_CONFIG_CLASS_DEFINE(
     ((ConfigOptionString,              time_lapse_gcode))
 
     ((ConfigOptionFloat,               max_volumetric_extrusion_rate_slope))
-    ((ConfigOptionInt,               max_volumetric_extrusion_rate_slope_segment_length))
+    ((ConfigOptionFloat,               max_volumetric_extrusion_rate_slope_segment_length))
     ((ConfigOptionBool,               extrusion_rate_smoothing_external_perimeter_only))
+
     
     ((ConfigOptionPercents,            retract_before_wipe))
     ((ConfigOptionFloats,              retraction_length))
diff --git a/src/slic3r/GUI/ConfigManipulation.cpp b/src/slic3r/GUI/ConfigManipulation.cpp
index 2c1269f12a..600cb30c0f 100644
--- a/src/slic3r/GUI/ConfigManipulation.cpp
+++ b/src/slic3r/GUI/ConfigManipulation.cpp
@@ -494,14 +494,14 @@ void ConfigManipulation::toggle_print_fff_options(DynamicPrintConfig *config, co
     auto gcflavor = preset_bundle->printers.get_edited_preset().config.option<ConfigOptionEnum<GCodeFlavor>>("gcode_flavor")->value;
     
     bool have_volumetric_extrusion_rate_slope = config->option<ConfigOptionFloat>("max_volumetric_extrusion_rate_slope")->value > 0;
-    int have_volumetric_extrusion_rate_slope_segment_length = config->option<ConfigOptionInt>("max_volumetric_extrusion_rate_slope_segment_length")->value;
+    float have_volumetric_extrusion_rate_slope_segment_length = config->option<ConfigOptionFloat>("max_volumetric_extrusion_rate_slope_segment_length")->value;
     toggle_field("enable_arc_fitting", !have_volumetric_extrusion_rate_slope);
     toggle_line("max_volumetric_extrusion_rate_slope_segment_length", have_volumetric_extrusion_rate_slope);
     toggle_line("extrusion_rate_smoothing_external_perimeter_only", have_volumetric_extrusion_rate_slope);
     if(have_volumetric_extrusion_rate_slope) config->set_key_value("enable_arc_fitting", new ConfigOptionBool(false));
-    if(have_volumetric_extrusion_rate_slope_segment_length==0) {
+    if(have_volumetric_extrusion_rate_slope_segment_length < 0.5) {
         DynamicPrintConfig new_conf = *config;
-        new_conf.set_key_value("max_volumetric_extrusion_rate_slope_segment_length", new ConfigOptionInt(1));
+        new_conf.set_key_value("max_volumetric_extrusion_rate_slope_segment_length", new ConfigOptionFloat(1));
         apply(config, &new_conf);
     }