diff --git a/aegisub/src/dialog_colorpicker.cpp b/aegisub/src/dialog_colorpicker.cpp
index f57fcbfd2..f7caedd69 100644
--- a/aegisub/src/dialog_colorpicker.cpp
+++ b/aegisub/src/dialog_colorpicker.cpp
@@ -928,6 +928,7 @@ DialogColorPicker::DialogColorPicker(wxWindow *parent, wxColour initial_color, C
 	hsv_slider = new wxBitmap(sliderimg);
 
 	// Create the controls for the dialog
+	updating_controls = true;
 	wxSizer *spectrum_box = new wxStaticBoxSizer(wxVERTICAL, this, _("Colour spectrum"));
 	spectrum = new ColorPickerSpectrum(this, SELECTOR_SPECTRUM, 0, -1, -1, ColorPickerSpectrum::HorzVert, wxSize(256, 256));
 	slider = new ColorPickerSpectrum(this, SELECTOR_SLIDER, 0, -1, -1, ColorPickerSpectrum::Vert, wxSize(slider_width, 256));