diff --git a/data/pixmaps/security-high.png b/data/pixmaps/security-high.png
new file mode 100644
index 000000000..8f229a037
Binary files /dev/null and b/data/pixmaps/security-high.png differ
diff --git a/data/pixmaps/security-low.png b/data/pixmaps/security-low.png
new file mode 100644
index 000000000..538145319
Binary files /dev/null and b/data/pixmaps/security-low.png differ
diff --git a/src/chat_control.py b/src/chat_control.py
index 86dca43f5..7387c034f 100644
--- a/src/chat_control.py
+++ b/src/chat_control.py
@@ -1383,10 +1383,10 @@ class ChatControl(ChatControlBase):
 
 		if authenticated:
 			authenticated_string = ' and authenticated'
-			self.lock_image.set_from_stock('gtk-dialog-authentication', 1)
+			self.lock_image.set_from_file(os.path.join(gajim.DATA_DIR, 'pixmaps', 'security-high.png'))
 		else:
 			authenticated_string = ' and NOT authenticated'
-			self.lock_image.set_from_stock('gtk-dialog-warning', 1)
+			self.lock_image.set_from_file(os.path.join(gajim.DATA_DIR, 'pixmaps', 'security-low.png'))
 
 		tooltip = '%s encryption %s active%s.\n' \
 			'Your chat session %s be logged.' % \