diff --git a/test/k4FWCoreTest/options/CheckOutputFiles.py b/test/k4FWCoreTest/options/CheckOutputFiles.py
index 20240d83..702e93a7 100644
--- a/test/k4FWCoreTest/options/CheckOutputFiles.py
+++ b/test/k4FWCoreTest/options/CheckOutputFiles.py
@@ -174,7 +174,7 @@ def check_events(filename, number):
     [3, 1.5, [1, 2, 3, 4], "hello", 10],
 ):
     if metadata.get_parameter(key) != value:
-        raise RuntimeError(f"Metadata parameter {key} does not match expected value")
+        raise RuntimeError(f"Metadata parameter {key} does not match the expected value {value}")
 
 reader = podio.root_io.Reader("functional_metadata_old_algorithm.root")
 metadata = reader.get("metadata")[0]
@@ -183,4 +183,4 @@ def check_events(filename, number):
     ["M:3,S-1:3,I:9,J:9,K-1:6"],
 ):
     if metadata.get_parameter(key) != value:
-        raise RuntimeError(f"Metadata parameter {key} does not match expected value")
+        raise RuntimeError(f"Metadata parameter {key} does not match the expected value {value}")