diff --git a/resources/profiles/Voron.ini b/resources/profiles/Voron.ini
index 352327fbb..041c50196 100644
--- a/resources/profiles/Voron.ini
+++ b/resources/profiles/Voron.ini
@@ -152,7 +152,7 @@ end_gcode = print_end    ;end script from macro
 extruder_colour = #FFE3CA
 extruder_offset = 0x0
 gcode_flavor = klipper
-fan_speedup_time = -0.5
+fan_speedup_time = 0
 layer_gcode = ;AFTER_LAYER_CHANGE\n;[layer_z]
 machine_max_acceleration_e = 10000
 machine_max_acceleration_extruding = 1500
diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index 6dec40a4e..7f1974ad9 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -2219,7 +2219,7 @@ void PrintConfigDef::init_fff_params()
         " It assumes infinite acceleration for this time estimation, and will only take into account G1 and G0 moves. Use 0 to deactivate.");
     def->sidetext = L("s");
     def->mode = comAdvanced;
-    def->set_default_value(new ConfigOptionFloat(-0.5));
+    def->set_default_value(new ConfigOptionFloat(0));
 
     def = this->add("fan_speedup_overhangs", coBool);
     def->label = L("Fan startup delay");