diff --git a/formula/stackless-2.6.5 b/formula/stackless-2.6.5
index 3fd918c..22042b1 100755
--- a/formula/stackless-2.6.5
+++ b/formula/stackless-2.6.5
@@ -9,7 +9,7 @@ echo "Building SQLite..."
 echo "Building Python..."
 SOURCE_TARBALL='http://www.stackless.com/binaries/stackless-265-export.tar.bz2'
 curl -L $SOURCE_TARBALL | tar xj
-mv stackless-265-export src
+mv python-2.6.5-stackless src
 cd src
 
 ./configure --prefix=$OUT_PREFIX
diff --git a/formula/stackless-3.1.3 b/formula/stackless-3.1.3
index 5760768..380eed2 100755
--- a/formula/stackless-3.1.3
+++ b/formula/stackless-3.1.3
@@ -9,7 +9,7 @@ echo "Building SQLite..."
 echo "Building Python..."
 SOURCE_TARBALL='http://www.stackless.com/binaries/stackless-313-export.tar.bz2'
 curl -L $SOURCE_TARBALL | tar xj
-mv stackless-313-export src
+mv python-3.1.3-stackless src
 cd src
 
 ./configure --prefix=$OUT_PREFIX