diff --git a/tools/ci/check_icons.py b/tools/ci/check_icons.py
index e55dc0fdf86..877ad58eae3 100644
--- a/tools/ci/check_icons.py
+++ b/tools/ci/check_icons.py
@@ -10,7 +10,7 @@ def check_duplicate_names(dmi: DMI) -> list[str]:
     for state in dmi.states():
         # Movement states have the same name as their non-movement counterparts
         if (state.name, state.movement) in states:
-            duplicates.append(f"duplicate state name `{state.name}`")
+            failures.append(f"duplicate state name `{state.name}`")
         states.add((state.name, state.movement))
     return failures