diff --git a/src/slic3r/GUI/3DScene.cpp b/src/slic3r/GUI/3DScene.cpp
index 2463ae709..b98f2bbe7 100644
--- a/src/slic3r/GUI/3DScene.cpp
+++ b/src/slic3r/GUI/3DScene.cpp
@@ -748,13 +748,12 @@ GLVolumeWithIdAndZList volumes_to_render(const GLVolumePtrs& volumes, GLVolumeCo
     GLVolumeWithIdAndZList list;
     list.reserve(volumes.size());
 
-    for (unsigned int i = 0; i < (unsigned int)volumes.size(); ++i)
-    {
+    for (unsigned int i = 0; i < (unsigned int)volumes.size(); ++i) {
         GLVolume* volume = volumes[i];
         bool is_transparent = (volume->render_color[3] < 1.0f);
-        if ((((type == GLVolumeCollection::ERenderType::Opaque) && !is_transparent) ||
-             ((type == GLVolumeCollection::ERenderType::Transparent) && is_transparent) ||
-             (type == GLVolumeCollection::ERenderType::All)) &&
+        if (((type == GLVolumeCollection::ERenderType::Opaque && !is_transparent) ||
+             (type == GLVolumeCollection::ERenderType::Transparent && is_transparent) ||
+             type == GLVolumeCollection::ERenderType::All) &&
             (! filter_func || filter_func(*volume)))
             list.emplace_back(std::make_pair(volume, std::make_pair(i, 0.0)));
     }
@@ -783,8 +782,10 @@ void GLVolumeCollection::render(GLVolumeCollection::ERenderType type, bool disab
     if (shader == nullptr)
         return;
 
-    glsafe(::glEnable(GL_BLEND));
-    glsafe(::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
+    if (type == ERenderType::Transparent) {
+        glsafe(::glEnable(GL_BLEND));
+        glsafe(::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
+    }
 
     glsafe(::glCullFace(GL_BACK));
     if (disable_cullface)
@@ -837,7 +838,8 @@ void GLVolumeCollection::render(GLVolumeCollection::ERenderType type, bool disab
     if (disable_cullface)
         glsafe(::glEnable(GL_CULL_FACE));
 
-    glsafe(::glDisable(GL_BLEND));
+    if (type == ERenderType::Transparent)
+        glsafe(::glDisable(GL_BLEND));
 }
 
 bool GLVolumeCollection::check_outside_state(const DynamicPrintConfig* config, ModelInstanceEPrintVolumeState* out_state) const
diff --git a/src/slic3r/GUI/Selection.cpp b/src/slic3r/GUI/Selection.cpp
index ca1530683..ea8787b21 100644
--- a/src/slic3r/GUI/Selection.cpp
+++ b/src/slic3r/GUI/Selection.cpp
@@ -415,7 +415,7 @@ void Selection::remove_all()
 // Not taking the snapshot with non-empty Redo stack will likely be more confusing than losing the Redo stack.
 // Let's wait for user feedback.
 //    if (!wxGetApp().plater()->can_redo())
-        wxGetApp().plater()->take_snapshot(_(L("Selection-Remove All")));
+        wxGetApp().plater()->take_snapshot(_L("Selection-Remove All"));
 
     m_mode = Instance;
     clear();
@@ -432,9 +432,9 @@ void Selection::set_deserialized(EMode mode, const std::vector<std::pair<size_t,
     m_list.clear();
     for (unsigned int i = 0; i < (unsigned int)m_volumes->size(); ++ i)
 		if (std::binary_search(volumes_and_instances.begin(), volumes_and_instances.end(), (*m_volumes)[i]->geometry_id))
-			this->do_add_volume(i);
+			do_add_volume(i);
     update_type();
-    this->set_bounding_boxes_dirty();
+    set_bounding_boxes_dirty();
 }
 
 void Selection::clear()
@@ -447,12 +447,14 @@ void Selection::clear()
 
     for (unsigned int i : m_list) {
         (*m_volumes)[i]->selected = false;
+        // ensure the volume gets the proper color before next call to render (expecially needed for transparent volumes)
+        (*m_volumes)[i]->set_render_color();
     }
 
     m_list.clear();
 
     update_type();
-    this->set_bounding_boxes_dirty();
+    set_bounding_boxes_dirty();
 
     // this happens while the application is closing
     if (wxGetApp().obj_manipul() == nullptr)