diff --git a/stow/.config/fish/config.fish b/stow/.config/fish/config.fish
index 2a27fa8..3361536 100644
--- a/stow/.config/fish/config.fish
+++ b/stow/.config/fish/config.fish
@@ -8,7 +8,7 @@ if status is-interactive
 
   # match prompt symbol to OS logo
   if test -e /etc/os-release
-    posix-source /etc/os-release
+    posix-source-local /etc/os-release
   end
 
   if test -e /System
diff --git a/stow/.config/fish/functions/posix-source-local.fish b/stow/.config/fish/functions/posix-source-local.fish
new file mode 100644
index 0000000..ec0d974
--- /dev/null
+++ b/stow/.config/fish/functions/posix-source-local.fish
@@ -0,0 +1,6 @@
+function posix-source-local
+	for i in (cat $argv)
+		set arr (echo $i |tr = \n)
+  		set -lx $arr[1] $arr[2]
+	end
+end