diff --git a/rtgui/batchqueuepanel.cc b/rtgui/batchqueuepanel.cc
index 1810501b5..78f1a8976 100644
--- a/rtgui/batchqueuepanel.cc
+++ b/rtgui/batchqueuepanel.cc
@@ -24,14 +24,6 @@
 #include "soundman.h"
 #include "rtimage.h"
 
-int processLoadedBatchQueueUIThread (void* data)
-{
-
-    BatchQueue* bq = static_cast<BatchQueue*>(data);
-    bq->resizeLoadedQueue();
-    return 0;
-}
-
 static Glib::ustring makeFolderLabel(Glib::ustring path)
 {
     if (!Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
@@ -185,11 +177,22 @@ BatchQueuePanel::BatchQueuePanel (FileCatalog* aFileCatalog)
 
     show_all ();
 
-    if (batchQueue->loadBatchQueue ()) {
-        g_idle_add_full (G_PRIORITY_LOW, processLoadedBatchQueueUIThread, batchQueue, nullptr);
+    if (batchQueue->loadBatchQueue()) {
+        const auto func = [](gpointer data) -> gboolean {
+            static_cast<BatchQueue*>(data)->resizeLoadedQueue();
+
+            return FALSE;
+        };
+
+        idle_register.add(func, batchQueue, G_PRIORITY_LOW);
     }
 }
 
+BatchQueuePanel::~BatchQueuePanel()
+{
+    idle_register.destroy();
+}
+
 void BatchQueuePanel::init (RTWindow *parent)
 {
     this->parent = parent;
diff --git a/rtgui/batchqueuepanel.h b/rtgui/batchqueuepanel.h
index b92f300be..a4d6ed244 100644
--- a/rtgui/batchqueuepanel.h
+++ b/rtgui/batchqueuepanel.h
@@ -53,9 +53,11 @@ class BatchQueuePanel : public Gtk::VBox,
     Gtk::HBox* bottomBox;
     Gtk::HBox* topBox;
 
-public:
+    IdleRegister idle_register;
 
+public:
     explicit BatchQueuePanel (FileCatalog* aFileCatalog);
+    ~BatchQueuePanel();
 
     void init (RTWindow* parent);
 
diff --git a/rtgui/filebrowserentry.cc b/rtgui/filebrowserentry.cc
index d452b88cd..a2f88ee40 100644
--- a/rtgui/filebrowserentry.cc
+++ b/rtgui/filebrowserentry.cc
@@ -67,6 +67,7 @@ FileBrowserEntry::FileBrowserEntry (Thumbnail* thm, const Glib::ustring& fname)
 
 FileBrowserEntry::~FileBrowserEntry ()
 {
+    idle_register.destroy();
 
     // so jobs arriving now do nothing
     if (feih->pending) {
@@ -176,39 +177,6 @@ void FileBrowserEntry::procParamsChanged (Thumbnail* thm, int whoChangedIt)
     }
 }
 
-struct tiupdate {
-    FileBrowserEntryIdleHelper* feih;
-    rtengine::IImage8* img;
-    double scale;
-    rtengine::procparams::CropParams cropParams;
-};
-
-int updateImageUI (void* data)
-{
-
-    tiupdate* params = static_cast<tiupdate*>(data);
-    FileBrowserEntryIdleHelper* feih = params->feih;
-
-    if (feih->destroyed) {
-        if (feih->pending == 1) {
-            delete feih;
-        } else {
-            feih->pending--;
-        }
-
-        params->img->free ();
-        delete params;
-        return 0;
-    }
-
-    feih->fbentry->_updateImage (params->img, params->scale, params->cropParams);
-    feih->pending--;
-
-    delete params;
-
-    return 0;
-}
-
 void FileBrowserEntry::updateImage (rtengine::IImage8* img, double scale, rtengine::procparams::CropParams cropParams)
 {
 
@@ -225,16 +193,51 @@ void FileBrowserEntry::updateImage (rtengine::IImage8* img, double scale, rtengi
         feih->pending++;
     }
 
-    tiupdate* param = new tiupdate ();
-    param->feih = feih;
-    param->img = img;
-    param->scale = scale;
-    param->cropParams = cropParams;
+    struct tiupdate {
+        FileBrowserEntryIdleHelper* feih;
+        rtengine::IImage8* img;
+        double scale;
+        rtengine::procparams::CropParams cropParams;
+    };
+
+    tiupdate* param = new tiupdate{
+        feih,
+        img,
+        scale,
+        cropParams
+    };
+
 #if __GNUC__ == 4 && __GNUC_MINOR__ == 8 && defined( WIN32 ) && defined(__x86_64__)
-    g_idle_add_full (G_PRIORITY_DEFAULT, updateImageUI, param, NULL);
+    const gint priority = G_PRIORITY_DEFAULT;
 #else
-    g_idle_add_full (G_PRIORITY_LOW, updateImageUI, param, nullptr);
+    const gint priority = G_PRIORITY_LOW;
 #endif
+
+    const auto func = [](gpointer data) -> gboolean {
+        tiupdate* const params = static_cast<tiupdate*>(data);
+        FileBrowserEntryIdleHelper* const feih = params->feih;
+
+        if (feih->destroyed) {
+            if (feih->pending == 1) {
+                delete feih;
+            } else {
+                feih->pending--;
+            }
+
+            params->img->free ();
+            delete params;
+            return 0;
+        }
+
+        feih->fbentry->_updateImage (params->img, params->scale, params->cropParams);
+        feih->pending--;
+
+        delete params;
+
+        return FALSE;
+    };
+
+    idle_register.add(func, param, priority);
 }
 
 void FileBrowserEntry::_updateImage (rtengine::IImage8* img, double s, rtengine::procparams::CropParams cropParams)
diff --git a/rtgui/filebrowserentry.h b/rtgui/filebrowserentry.h
index 5b95ca069..cbbe2c595 100644
--- a/rtgui/filebrowserentry.h
+++ b/rtgui/filebrowserentry.h
@@ -57,6 +57,8 @@ class FileBrowserEntry : public ThumbBrowserEntryBase,
 
     ImgEditState state;
 
+    IdleRegister idle_register;
+
     bool onArea (CursorArea a, int x, int y);
     void updateCursor (int x, int y);
     void drawStraightenGuide (Cairo::RefPtr<Cairo::Context> c);
diff --git a/rtgui/guiutils.cc b/rtgui/guiutils.cc
index 451af4e38..f78ee34e4 100644
--- a/rtgui/guiutils.cc
+++ b/rtgui/guiutils.cc
@@ -38,18 +38,12 @@ Glib::RefPtr<Gdk::Pixbuf> MyExpander::disabledPBuf;
 Glib::RefPtr<Gdk::Pixbuf> MyExpander::openedPBuf;
 Glib::RefPtr<Gdk::Pixbuf> MyExpander::closedPBuf;
 
-guint add_idle (GSourceFunc function, gpointer data)
-{
-    return gdk_threads_add_idle(function, data);
-    //gtk_main_iteration_do(false);
-}
-
 IdleRegister::~IdleRegister()
 {
     destroy();
 }
 
-void IdleRegister::add(GSourceFunc function, gpointer data)
+void IdleRegister::add(GSourceFunc function, gpointer data, gint priority)
 {
     struct DataWrapper {
         IdleRegister* const self;
@@ -79,7 +73,7 @@ void IdleRegister::add(GSourceFunc function, gpointer data)
     };
 
     mutex.lock();
-    ids[data_wrapper] = add_idle(dispatch, data_wrapper);
+    ids[data_wrapper] = gdk_threads_add_idle_full(priority, dispatch, data_wrapper, nullptr);
     mutex.unlock();
 }
 
diff --git a/rtgui/guiutils.h b/rtgui/guiutils.h
index 3f88adf0c..88f572e5a 100644
--- a/rtgui/guiutils.h
+++ b/rtgui/guiutils.h
@@ -44,15 +44,13 @@ void drawCrop (Cairo::RefPtr<Cairo::Context> cr, int imx, int imy, int imw, int
 gboolean acquireGUI(void* data);
 void setExpandAlignProperties(Gtk::Widget *widget, bool hExpand, bool vExpand, enum Gtk::Align hAlign, enum Gtk::Align vAlign);
 
-guint add_idle (GSourceFunc function, gpointer data);
-
 class IdleRegister final :
     public rtengine::NonCopyable
 {
 public:
     ~IdleRegister();
 
-    void add(GSourceFunc function, gpointer data);
+    void add(GSourceFunc function, gpointer data, gint priority = G_PRIORITY_DEFAULT_IDLE);
     void destroy();
 
 private: