diff --git a/tests/ui/test_qtui.py b/tests/ui/test_qtui.py
index ecbe161df..7481b7d0b 100644
--- a/tests/ui/test_qtui.py
+++ b/tests/ui/test_qtui.py
@@ -309,6 +309,7 @@ def test_context_file_none_does_not_raise(self):
         [
             "QFont::setPixelSize: Pixel size <= 0 (0)",
             "QWindowsFontEngineDirectWrite::addGlyphsToPath: GetGlyphRunOutline failed (Der Vorgang wurde erfolgreich beendet.)",
+            "fromIccProfile: Failed to parse description",
         ],
     )
     def test_known_noise_warning_is_suppressed(self, noisy_msg):
diff --git a/tilia/boot.py b/tilia/boot.py
index a034ae30b..4ee984514 100644
--- a/tilia/boot.py
+++ b/tilia/boot.py
@@ -44,6 +44,10 @@ def handle_exception(type, value, tb):
 QT_LOG_NOISE_PATTERNS = (
     "QFont::setPixelSize: Pixel size <= 0",
     "QWindowsFontEngineDirectWrite::addGlyphsToPath: GetGlyphRunOutline failed",
+    # Emitted by QtGui's ICC parser when it can't read the description tag of a
+    # colour profile - on macOS the display profile is re-parsed for every
+    # native window, flooding the log on startup. Purely cosmetic.
+    "fromIccProfile: Failed to parse description",
 )