diff --git a/src/BBT.StructureTools/Compare/Helper/Strategy/EqualityComparerHelperStrategyUtils.cs b/src/BBT.StructureTools/Compare/Helper/Strategy/EqualityComparerHelperStrategyUtils.cs
index 9b10cb1..a44c31b 100644
--- a/src/BBT.StructureTools/Compare/Helper/Strategy/EqualityComparerHelperStrategyUtils.cs
+++ b/src/BBT.StructureTools/Compare/Helper/Strategy/EqualityComparerHelperStrategyUtils.cs
@@ -122,7 +122,7 @@ public static Type GetCompareType<T>(IEqualityComparer<T> comparer)
             return comparer
                 .GetType()
                 .GetMethods()
-                .First(x => x.Name == nameof(comparer.GetHashCode))
+                .First(x => x.Name == nameof(comparer.GetHashCode) && x.GetParameters().Length > 0)
                 .GetParameters()
                 .First()
                 .ParameterType;