diff --git a/Hardware/ATI/ADL.cs b/Hardware/ATI/ADL.cs
index 52e1bff..48931d0 100644
--- a/Hardware/ATI/ADL.cs
+++ b/Hardware/ATI/ADL.cs
@@ -267,9 +267,11 @@ namespace OpenHardwareMonitor.Hardware.ATI {
 
     private delegate IntPtr ADL_Main_Memory_AllocDelegate(int size);
 
-    private static IntPtr Main_Memory_Alloc(int size) {
-      return Marshal.AllocHGlobal(size);;
-    }
+    // create a Main_Memory_Alloc delegate and keep it alive
+    private static ADL_Main_Memory_AllocDelegate Main_Memory_Alloc =
+      delegate(int size) {
+        return Marshal.AllocHGlobal(size);
+      };
 
     private static void Main_Memory_Free(IntPtr buffer) {
       if (IntPtr.Zero != buffer)