diff --git a/reactos/include/ndk/rtltypes.h b/reactos/include/ndk/rtltypes.h
index 87972d7618c..59f406782e3 100644
--- a/reactos/include/ndk/rtltypes.h
+++ b/reactos/include/ndk/rtltypes.h
@@ -958,8 +958,11 @@ typedef struct _RTL_UNLOAD_EVENT_TRACE
 //
 typedef struct _RTL_HANDLE_TABLE_ENTRY
 {
-    ULONG Flags;
-    struct _RTL_HANDLE_TABLE_ENTRY *NextFree;
+    union
+    {
+        ULONG Flags;
+        struct _RTL_HANDLE_TABLE_ENTRY *NextFree;
+    };
 } RTL_HANDLE_TABLE_ENTRY, *PRTL_HANDLE_TABLE_ENTRY;
 
 typedef struct _RTL_HANDLE_TABLE
diff --git a/reactos/lib/rtl/handle.c b/reactos/lib/rtl/handle.c
index bbcdcde69b7..175c7f44e2a 100644
--- a/reactos/lib/rtl/handle.c
+++ b/reactos/lib/rtl/handle.c
@@ -127,8 +127,12 @@ RtlFreeHandle(PRTL_HANDLE_TABLE HandleTable,
 {
 #ifdef DBG
    /* check if handle is valid */
-   if (RtlIsValidHandle(HandleTable, Handle))
+   if (!RtlIsValidHandle(HandleTable, Handle))
+   {
+     DPRINT1("Invalid Handle! HandleTable=0x%p, Handle=0x%p, Handle->Flags=0x%x\n",
+             HandleTable, Handle, Handle ? Handle->Flags : 0);
      return FALSE;
+   }
 #endif
 
    /* clear handle */