diff --git a/home/profile b/home/profile
index 25bd478..ba67e1f 100644
--- a/home/profile
+++ b/home/profile
@@ -12,7 +12,7 @@ path_prepend () {
 
 # load all shell files
 for file in ~/.dotfiles/shell/*; do
-    . $file
+    [[ -x $file ]] && source $file
 done
 
 export PATH
diff --git a/shell/aliases b/shell/aliases
old mode 100644
new mode 100755
diff --git a/shell/colors b/shell/colors
old mode 100644
new mode 100755
diff --git a/shell/editor b/shell/editor
old mode 100644
new mode 100755
diff --git a/shell/homebrew b/shell/homebrew
old mode 100644
new mode 100755
diff --git a/shell/osx b/shell/osx
old mode 100644
new mode 100755
diff --git a/shell/rbenv b/shell/rbenv
old mode 100644
new mode 100755
diff --git a/shell/ssh b/shell/ssh
old mode 100644
new mode 100755
diff --git a/shell/user b/shell/user
old mode 100644
new mode 100755