diff --git a/.profile b/.profile
index 1a66146..c0e2bb0 100644
--- a/.profile
+++ b/.profile
@@ -23,6 +23,7 @@ fi
 export SCREENDIR="$HOME/.screen"
 if [ ! -d "$SCREENDIR" ] ; then
     mkdir "$SCREENDIR"
+    chmod 700 "$SCREENDIR"
 fi
 export GOROOT=$HOME/go
 export PATH=$PATH:$GOROOT/bin