diff --git a/base/exif.py b/base/exif.py
index 2b8c447..38dca63 100644
--- a/base/exif.py
+++ b/base/exif.py
@@ -798,7 +798,7 @@ class EXIF_header:
                 tag_name=tag_entry[0]
                 if len(tag_entry) != 1:
                     # optional 2nd tag element is present
-                    if isinstance(tag_entry[1], collections.Callable):
+                    if isinstance(tag_entry[1], collections.abc.Callable):
                         # call mapping function
                         printable=tag_entry[1](values)
                     else:
diff --git a/ui5/devmgr5.py b/ui5/devmgr5.py
index 48b248f..aa911a5 100644
--- a/ui5/devmgr5.py
+++ b/ui5/devmgr5.py
@@ -1267,7 +1267,7 @@ class DevMgr5(Ui_MainWindow_Derived, Ui_MainWindow, QMainWindow):
     def ActionsList_clicked(self, item):
         if item is not None and self.click_lock is not item:
             self.click_lock = item
-            if item.cmd and isinstance(item.cmd, collections.Callable):
+            if item.cmd and isinstance(item.cmd, collections.abc.Callable):
                 dlg = item.cmd()
                 self.sendMessage('', '', EVENT_DEVICE_STOP_POLLING)
                 try: