diff --git a/samples/python/multinomial_causal_lm/multinomial_causal_lm.py b/samples/python/multinomial_causal_lm/multinomial_causal_lm.py
index 3df7206a54..6300320264 100755
--- a/samples/python/multinomial_causal_lm/multinomial_causal_lm.py
+++ b/samples/python/multinomial_causal_lm/multinomial_causal_lm.py
@@ -90,7 +90,7 @@ def put(self, token_id: int) -> bool:
             word = text[self.print_len:]            
             self.tokens_cache = []
             self.print_len = 0
-        elif len(text) >= 3 and text[-3:] == "�":
+        elif len(text) >= 3 and text[-3:] == chr(65533):
             # Don't print incomplete text.
             pass
         elif len(text) > self.print_len: