diff --git a/tests/bloom_bytes/tests/01-run.py b/tests/bloom_bytes/tests/01-run.py
index 5e3632a5c9fe74f8477ebea06536dd46537709df..8847fad5899ba12c55277257df4957849fce9bba 100755
--- a/tests/bloom_bytes/tests/01-run.py
+++ b/tests/bloom_bytes/tests/01-run.py
@@ -20,7 +20,7 @@ def testfunc(child):
     child.expect(r"checking 10000 elements took \d+ms", timeout=TIMEOUT)
     child.expect(r"\d+ elements probably in the filter.")
     child.expect(r"\d+ elements not in the filter.")
-    child.expect(".+ false positive rate.")
+    child.expect(r"0\.\d+ false positive rate.")
     child.expect_exact("All done!")