diff --git a/reframe/frontend/printer.py b/reframe/frontend/printer.py
index 03f4fef80..a2390e39f 100644
--- a/reframe/frontend/printer.py
+++ b/reframe/frontend/printer.py
@@ -195,6 +195,9 @@ def failure_stats(self, report, global_stats=False):
                 info += f' @{tc["system"]}:{tc["partition"]}+{tc["environ"]}'
 
                 failed_stage = tc['fail_phase']
+                if not failed_stage:
+                    continue
+
                 failures.setdefault(failed_stage, [])
                 failures[failed_stage].append(info)