diff --git a/gtk2_ardour/ui_config_vars.h b/gtk2_ardour/ui_config_vars.h
index 427f2cd7be..d4e75f35d0 100644
--- a/gtk2_ardour/ui_config_vars.h
+++ b/gtk2_ardour/ui_config_vars.h
@@ -37,7 +37,7 @@ UI_CONFIG_VARIABLE (bool, keep_tearoffs, "keep-tearoffs", false)
 UI_CONFIG_VARIABLE (bool, default_narrow_ms, "default-narrow_ms", false)
 UI_CONFIG_VARIABLE (bool, name_new_markers, "name-new-markers", false)
 UI_CONFIG_VARIABLE (bool, rubberbanding_snaps_to_grid, "rubberbanding-snaps-to-grid", false)
-UI_CONFIG_VARIABLE (long, font_scale, "font-scale", 81920)
+UI_CONFIG_VARIABLE (long, font_scale, "font-scale", 102400.0)
 UI_CONFIG_VARIABLE (bool, show_waveforms, "show-waveforms", true)
 UI_CONFIG_VARIABLE (bool, show_waveforms_while_recording, "show-waveforms-while-recording", true)
 UI_CONFIG_VARIABLE (ARDOUR::WaveformScale, waveform_scale, "waveform-scale", Linear)