diff --git a/src/DialogToolkit.cpp b/src/DialogToolkit.cpp
index 7c7ae94..979a1ce 100644
--- a/src/DialogToolkit.cpp
+++ b/src/DialogToolkit.cpp
@@ -682,6 +682,10 @@ std::tuple<float, float, float> openColorDialog( std::tuple<float, float, float>
     color.alpha = 1.f;
     gtk_color_chooser_set_rgba( GTK_COLOR_CHOOSER(dialog), &color );
 
+    // no alpha, with editor for picking color
+    gtk_color_chooser_set_use_alpha( GTK_COLOR_CHOOSER(dialog), false);
+    g_object_set( GTK_WINDOW(dialog), "show-editor", TRUE, NULL );
+
     // prepare dialog
     gtk_window_set_keep_above( GTK_WINDOW(dialog), TRUE );
     static int x = 0, y = 0;
diff --git a/src/ImGuiVisitor.cpp b/src/ImGuiVisitor.cpp
index 80bda99..edc106e 100644
--- a/src/ImGuiVisitor.cpp
+++ b/src/ImGuiVisitor.cpp
@@ -985,16 +985,16 @@ void ImGuiVisitor::visit (AlphaFilter& f)
         static DialogToolkit::ColorPickerDialog colordialog;
 
         // read color from filter
-        ImVec4 color = ImVec4(filter_parameters["Red"], filter_parameters["Green"], filter_parameters["Blue"], 1.f);
+        float color[3] = {filter_parameters["Red"], filter_parameters["Green"], filter_parameters["Blue"]};
 
         // show color
-        ImGui::ColorButton("##colorchromakey", *(ImVec4*)&color );
+        ImGui::ColorEdit3("Chromakey Color", color, ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoLabel) ;
 
         // offer to pick color
         ImGui::SameLine(0, IMGUI_SAME_LINE);
         ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
-        if ( ImGui::Button( ICON_FA_EYE_DROPPER " Pick", ImVec2(IMGUI_RIGHT_ALIGN, 0)) ){
-            colordialog.setRGB( std::make_tuple(color.x, color.y, color.z) );
+        if ( ImGui::Button( ICON_FA_EYE_DROPPER " Open selector", ImVec2(IMGUI_RIGHT_ALIGN, 0)) ){
+            colordialog.setRGB( std::make_tuple(color[0], color[1], color[2]) );
             colordialog.open();
         }
         ImGui::SameLine(0, IMGUI_SAME_LINE);