diff --git a/runbot/models/docker.py b/runbot/models/docker.py
index 85601f448..d03dd3b56 100644
--- a/runbot/models/docker.py
+++ b/runbot/models/docker.py
@@ -364,7 +364,9 @@ def _build(self, host=None):
             # identifier changed
             if image_id != previous_result.identifier:
                 should_save_result = True
-            if previous_result.output != docker_build_result_values['output']:  # to discuss
+            def clean_output(output):
+                return '\n'.join([line for line in output.split('\n') if not line.startswith('Downloading')])
+            if clean_output(previous_result.output) != clean_output(docker_build_result_values['output']):  # to discuss
                 should_save_result = True
             if previous_result.content != docker_build_result_values['content']:  # docker image changed
                 should_save_result = True
diff --git a/runbot/static/src/js/fields/fields.css b/runbot/static/src/js/fields/fields.css
index d808399e6..ede6d7610 100644
--- a/runbot/static/src/js/fields/fields.css
+++ b/runbot/static/src/js/fields/fields.css
@@ -1,4 +1,4 @@
 .o_field_widget.o_field_runbotjsonb {
     width: 100%;
     white-space: pre-wrap;
-  }
\ No newline at end of file
+}