diff --git a/app/models/task.py b/app/models/task.py
index 7b369893d..0a9b6935c 100644
--- a/app/models/task.py
+++ b/app/models/task.py
@@ -1084,6 +1084,9 @@ def resize_images(self):
         if self.resize_to < 0:
             logger.warning("We were asked to resize images to {}, this might be an error.".format(self.resize_to))
             return []
+        # Add a signal to notify that we are resizing images
+        from app.plugins import signals as plugin_signals
+        plugin_signals.task_resizing_images.send_robust(sender=self.__class__, task_id=self.id)
 
         images_path = self.find_all_files_matching(r'.*\.(jpe?g|tiff?)$')
         total_images = len(images_path)
diff --git a/app/plugins/signals.py b/app/plugins/signals.py
index 0f1701c37..cf7494c28 100644
--- a/app/plugins/signals.py
+++ b/app/plugins/signals.py
@@ -4,5 +4,6 @@
 task_removing = django.dispatch.Signal(providing_args=["task_id"])
 task_removed = django.dispatch.Signal(providing_args=["task_id"])
 task_failed = django.dispatch.Signal(providing_args=["task_id"])
+task_resizing_images = django.dispatch.Signal(providing_args=["task_id"])
 
 processing_node_removed = django.dispatch.Signal(providing_args=["processing_node_id"])