diff --git a/Doc/Makefile b/Doc/Makefile
index 0fc112401e5..317fcb04386 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -31,7 +31,7 @@ help:
 checkout:
 	@if [ ! -d tools/sphinx ]; then \
 	  echo "Checking out Sphinx..."; \
-	  svn checkout $(SVNROOT)/doctools/trunk/sphinx tools/sphinx; \
+	  svn checkout $(SVNROOT)/external/Sphinx-0.6.1/sphinx tools/sphinx; \
 	fi
 	@if [ ! -d tools/docutils ]; then \
 	  echo "Checking out Docutils..."; \