diff --git a/mozilla/extensions/transformiix/source/xpath/txMozillaXPathTreeWalker.cpp b/mozilla/extensions/transformiix/source/xpath/txMozillaXPathTreeWalker.cpp
index 798ea931855..dc889a7e888 100644
--- a/mozilla/extensions/transformiix/source/xpath/txMozillaXPathTreeWalker.cpp
+++ b/mozilla/extensions/transformiix/source/xpath/txMozillaXPathTreeWalker.cpp
@@ -690,7 +690,7 @@ txXPathNodeUtils::getXSLTId(const txXPathNode& aNode,
 {
     if (aNode.isDocument()) {
         CopyASCIItoUTF16(nsPrintfCString(kFmtSize, gPrintfFmt,
-                         aNode.mDocument), aResult);
+                                         aNode.mDocument), aResult);
 
         return NS_OK;
     }