diff --git a/tests/args-test.py b/tests/args-test.py
index 58f2609..e3b3731 100755
--- a/tests/args-test.py
+++ b/tests/args-test.py
@@ -5,4 +5,4 @@
 import re
 
 text, _ = pstack.TEXT(["tests/args"])
-assert re.search('aFunctionWithArgs.*msg="tweet", value=42', text)
+assert re.search('aFunctionWithArgs.*msg=0x[0-9a-f]+ "tweet", value=42', text)