diff --git a/tests/backtrace/tests/01-run.py b/tests/backtrace/tests/01-run.py
index e7a710e392..8b2dd2c44a 100755
--- a/tests/backtrace/tests/01-run.py
+++ b/tests/backtrace/tests/01-run.py
@@ -14,7 +14,7 @@ def testfunc(child):
     child.expect(r"BACKTRACE_SIZE: (\d+)\r\n")
     trace_size = int(child.match.group(1))
     for i in range(trace_size):
-        child.expect(r"0x[0-9a-f]{7,8}")
+        child.expect(r"0x[0-9a-f]+")
 
     print("All tests successful")