diff --git a/src/eAcs.erl b/src/eAcs.erl
index eb4172b..2767851 100644
--- a/src/eAcs.erl
+++ b/src/eAcs.erl
@@ -118,7 +118,7 @@ getOutputIs(PtrInx) ->
    case acsTree:failOut(PtrInx) of
       0 ->
          false;
-      {FailPtrInx, _Pattern} ->
+      {_FailPtrInx, _Pattern} ->
          true;
       FailPtrInx ->
          getOutputIs(FailPtrInx)