diff --git a/content/html/content/src/nsHTMLOptionElement.cpp b/content/html/content/src/nsHTMLOptionElement.cpp
index 13c788b29bb3..20bee4aea086 100644
--- a/content/html/content/src/nsHTMLOptionElement.cpp
+++ b/content/html/content/src/nsHTMLOptionElement.cpp
@@ -529,7 +529,7 @@ nsHTMLOptionElement::SetText(const nsString& aText)
     result = NS_NewTextNode(&text);
     if (NS_OK == result) {
       nsIDOMText* domtext;
-      result = text->QueryInterface(kIDOMTextIID, (void**)&tc);
+      result = text->QueryInterface(kIDOMTextIID, (void**)&domtext);
       if (NS_OK == result) {
         result = domtext->SetData(aText);
 	if (NS_SUCCEEDED(result)) {
diff --git a/layout/html/content/src/nsHTMLOptionElement.cpp b/layout/html/content/src/nsHTMLOptionElement.cpp
index 13c788b29bb3..20bee4aea086 100644
--- a/layout/html/content/src/nsHTMLOptionElement.cpp
+++ b/layout/html/content/src/nsHTMLOptionElement.cpp
@@ -529,7 +529,7 @@ nsHTMLOptionElement::SetText(const nsString& aText)
     result = NS_NewTextNode(&text);
     if (NS_OK == result) {
       nsIDOMText* domtext;
-      result = text->QueryInterface(kIDOMTextIID, (void**)&tc);
+      result = text->QueryInterface(kIDOMTextIID, (void**)&domtext);
       if (NS_OK == result) {
         result = domtext->SetData(aText);
 	if (NS_SUCCEEDED(result)) {