diff --git a/unittesting/utils/output_panel.py b/unittesting/utils/output_panel.py
index 9f751d0b..6840a082 100644
--- a/unittesting/utils/output_panel.py
+++ b/unittesting/utils/output_panel.py
@@ -31,6 +31,7 @@ def __init__(
         settings.set("scroll_past_end", scroll_past_end)
 
         self.output_view.assign_syntax("Packages/UnitTesting/res/unit-testing-test-result.sublime-syntax")
+        self.output_view.set_read_only(True)
         self.closed = False
 
         self.text_queue_lock = threading.Lock()