diff --git a/src/UI/Dialogs/PreferencesDialog.tscn b/src/UI/Dialogs/PreferencesDialog.tscn
index 2d67a472e..9f1e1d976 100644
--- a/src/UI/Dialogs/PreferencesDialog.tscn
+++ b/src/UI/Dialogs/PreferencesDialog.tscn
@@ -180,8 +180,9 @@ margin_right = 494.0
 margin_bottom = 24.0
 mouse_default_cursor_shape = 2
 size_flags_horizontal = 3
-min_value = 1.0
+min_value = 0.5
 max_value = 30.0
+step = 0.5
 value = 1.0
 align = 2
 suffix = "minute(s)"