diff --git a/src/net/JNetReflector/InternalExtensions.cs b/src/net/JNetReflector/InternalExtensions.cs
index 4297caee4a..f559e732c9 100644
--- a/src/net/JNetReflector/InternalExtensions.cs
+++ b/src/net/JNetReflector/InternalExtensions.cs
@@ -1831,7 +1831,7 @@ public static bool IsCloseable(this Class entry)
             if (entry.TypeName == autoCloseable) return true;
             foreach (var interfaceToCheck in entry.Interfaces)
             {
-                if (interfaceToCheck.TypeName == autoCloseable) return true;
+                if (IsCloseable(interfaceToCheck)) return true;
             }
             return false;
         }