diff --git a/mcs/class/System.Core/Microsoft.Win32.SafeHandles/SafePipeHandle.cs b/mcs/class/System.Core/Microsoft.Win32.SafeHandles/SafePipeHandle.cs
index e2e8aaeba0c3..0c5768009b5b 100644
--- a/mcs/class/System.Core/Microsoft.Win32.SafeHandles/SafePipeHandle.cs
+++ b/mcs/class/System.Core/Microsoft.Win32.SafeHandles/SafePipeHandle.cs
@@ -46,12 +46,8 @@ public SafePipeHandle (IntPtr preexistingHandle, bool ownsHandle)
 
 		protected override bool ReleaseHandle ()
 		{
-			try {
-				Marshal.FreeHGlobal (handle);
-				return true;
-			} catch (ArgumentException) {
-				return false;
-			}
+			MonoIOError error;
+			return MonoIO.Close (handle, out error);
 		}
 	}
 }