diff --git a/src/vbox/vbox_common.h b/src/vbox/vbox_common.h
index 1893c280bd..b81b62187c 100644
--- a/src/vbox/vbox_common.h
+++ b/src/vbox/vbox_common.h
@@ -109,6 +109,7 @@ typedef unsigned long PRUword;
 
 #define nsnull 0
 typedef PRUint32 nsresult;
+#define HRESULT nsresult
 
 #if defined(__GNUC__) && (__GNUC__ > 2)
 # define NS_LIKELY(x)    (__builtin_expect((x), 1))
@@ -362,6 +363,7 @@ typedef nsISupports IHostNetworkInterface;
 typedef nsISupports IDHCPServer;
 typedef nsISupports IKeyboard;
 typedef nsISupports IVirtualBoxErrorInfo;
+typedef struct nsIException nsIException;
 
 /* Macros for all vbox drivers. */
 
diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c
index 9800b8fceb..d95a2d2dc6 100644
--- a/src/vbox/vbox_tmpl.c
+++ b/src/vbox/vbox_tmpl.c
@@ -481,6 +481,11 @@ static int _pfnUtf8ToUtf16(PCVBOXXPCOM pFuncs, const char *pszString, PRUnichar
     return pFuncs->pfnUtf8ToUtf16(pszString, ppwszString);
 }
 
+static HRESULT _pfnGetException(PCVBOXXPCOM pFuncs, IErrorInfo **ppException)
+{
+    return pFuncs->pfnGetException(ppException);
+}
+
 static void _vboxIIDInitialize(vboxIID *iid)
 {
     memset(iid, 0, sizeof(vboxIID));
@@ -2218,6 +2223,7 @@ static vboxUniformedPFN _UPFN = {
     .Utf8Free = _pfnUtf8Free,
     .Utf16ToUtf8 = _pfnUtf16ToUtf8,
     .Utf8ToUtf16 = _pfnUtf8ToUtf16,
+    .GetException = _pfnGetException,
 };
 
 static vboxUniformedIID _UIID = {
diff --git a/src/vbox/vbox_uniformed_api.h b/src/vbox/vbox_uniformed_api.h
index 5fbc1bf77d..9d55bd0dd7 100644
--- a/src/vbox/vbox_uniformed_api.h
+++ b/src/vbox/vbox_uniformed_api.h
@@ -109,6 +109,7 @@ typedef struct {
     void (*Utf8Free)(PCVBOXXPCOM pFuncs, char *pszString);
     int (*Utf16ToUtf8)(PCVBOXXPCOM pFuncs, const PRUnichar *pwszString, char **ppszString);
     int (*Utf8ToUtf16)(PCVBOXXPCOM pFuncs, const char *pszString, PRUnichar **ppwszString);
+    HRESULT (*GetException)(PCVBOXXPCOM pFuncs, nsIException **ppException);
 } vboxUniformedPFN;
 
 /* Functions for vboxIID */