diff --git a/clearml/binding/matplotlib_bind.py b/clearml/binding/matplotlib_bind.py
index f670e971..06e52564 100644
--- a/clearml/binding/matplotlib_bind.py
+++ b/clearml/binding/matplotlib_bind.py
@@ -195,7 +195,7 @@ class PatchedMatplotlib:
             # store on the plot that this is an imshow plot
             stored_figure = _pylab_helpers.Gcf.get_active()
             if stored_figure:
-                stored_figure._trains_is_imshow = 1 if not hasattr(stored_figure, '_trains_is_imshow') \
+                stored_figure._trains_is_imshow = 1 if getattr(stored_figure, '_trains_is_imshow', None) is None \
                     else stored_figure._trains_is_imshow + 1
         except Exception:
             pass
@@ -253,7 +253,8 @@ class PatchedMatplotlib:
             figures = PatchedMatplotlib._get_output_figures(None, all_figures=True)
             for figure in figures:
                 # if this is a stale figure (just updated) we should send it, the rest will not be stale
-                if figure.canvas.figure.stale or (hasattr(figure, '_trains_is_imshow') and figure._trains_is_imshow):
+                if figure.canvas.figure.stale or (
+                        getattr(figure, '_trains_is_imshow', None) is not None and figure._trains_is_imshow):
                     PatchedMatplotlib._report_figure(stored_figure=figure)
         except Exception:
             pass
@@ -263,6 +264,14 @@ class PatchedMatplotlib:
             # noinspection PyBroadException
             try:
                 if sys.modules['matplotlib'].rcParams['backend'] == 'agg':
+                    # noinspection PyBroadException
+                    try:
+                        from matplotlib import _pylab_helpers
+                        stored_figure = _pylab_helpers.Gcf.get_active()
+                        stored_figure._trains_is_imshow = None
+                        stored_figure.canvas.figure._trains_explicit = False
+                    except Exception:
+                        pass
                     import matplotlib.pyplot as plt
                     plt.clf()
             except Exception:
@@ -324,7 +333,7 @@ class PatchedMatplotlib:
                     # nothing for us to do
                     return
                 # check if this is an imshow
-                if hasattr(stored_figure, '_trains_is_imshow'):
+                if getattr(stored_figure, '_trains_is_imshow', None) is not None:
                     # flag will be cleared when calling clf() (object will be replaced)
                     stored_figure._trains_is_imshow = max(0, stored_figure._trains_is_imshow - 1)
                     force_save_as_image = True