diff --git a/eessi/testsuite/tests/apps/MetalWalls.py b/eessi/testsuite/tests/apps/MetalWalls.py
index bfeaa0e7..057a294a 100644
--- a/eessi/testsuite/tests/apps/MetalWalls.py
+++ b/eessi/testsuite/tests/apps/MetalWalls.py
@@ -112,7 +112,7 @@ def skip_max_corecnt(self):
         max_corecnt = 256
         self.skip_if(
             self.num_tasks > max_corecnt,
-            f'Number of tasks per node {self.num_tasks} exceeds maximum core count {max_corecnt} for {self.bench_name}'
+            f'Number of tasks per node {self.num_tasks} exceeds maximum core count {max_corecnt} for {self.benchmark_info[0]}'
         )
 
     @run_after('setup')