diff --git a/anki/sound.py b/anki/sound.py
index ffc6e50fe..02ef6d051 100644
--- a/anki/sound.py
+++ b/anki/sound.py
@@ -266,7 +266,8 @@ try:
 
 except ImportError:
     # fall back to old nssound code for 10.3
-    sys.stderr.write("falling back to 10.3 audio library")
+    if sys.platform.startswith("darwin"):
+        sys.stderr.write("falling back to 10.3 audio library\n")
 
     try: