diff --git a/mozilla/content/base/src/nsDocument.cpp b/mozilla/content/base/src/nsDocument.cpp
index 3877bf0704d..ccef9d77394 100644
--- a/mozilla/content/base/src/nsDocument.cpp
+++ b/mozilla/content/base/src/nsDocument.cpp
@@ -758,7 +758,7 @@ nsresult nsDocument::QueryInterface(REFNSIID aIID, void** aInstancePtr)
     return NS_OK;
   }
   if (aIID.Equals(NS_GET_IID(nsIDOMDocumentXBL))) {
-    nsIDOMDocumentView* tmp = this;
+    nsIDOMDocumentXBL* tmp = this;
     *aInstancePtr = (void*) tmp;
     NS_ADDREF_THIS();
     return NS_OK;
diff --git a/mozilla/layout/base/src/nsDocument.cpp b/mozilla/layout/base/src/nsDocument.cpp
index 3877bf0704d..ccef9d77394 100644
--- a/mozilla/layout/base/src/nsDocument.cpp
+++ b/mozilla/layout/base/src/nsDocument.cpp
@@ -758,7 +758,7 @@ nsresult nsDocument::QueryInterface(REFNSIID aIID, void** aInstancePtr)
     return NS_OK;
   }
   if (aIID.Equals(NS_GET_IID(nsIDOMDocumentXBL))) {
-    nsIDOMDocumentView* tmp = this;
+    nsIDOMDocumentXBL* tmp = this;
     *aInstancePtr = (void*) tmp;
     NS_ADDREF_THIS();
     return NS_OK;