diff --git a/accessible/src/msaa/nsAccessibleWrap.cpp b/accessible/src/msaa/nsAccessibleWrap.cpp
index 85fa04c0da5..25d4ee39262 100644
--- a/accessible/src/msaa/nsAccessibleWrap.cpp
+++ b/accessible/src/msaa/nsAccessibleWrap.cpp
@@ -1402,7 +1402,7 @@ nsAccessibleWrap::get_attributes(BSTR *aAttributes)
 
     offset = 0;
     while ((offset = value.FindCharInSet(kCharsToEscape, offset)) != kNotFound) {
-      name.Insert('\\', offset);
+      value.Insert('\\', offset);
       offset += 2;
     }