diff --git a/alias.fish b/alias.fish
index c176e2e..b867646 100644
--- a/alias.fish
+++ b/alias.fish
@@ -1,5 +1,5 @@
 function cclear
-    if test -e /nix then
+    if test -e '/nix'
         /run/current-system/sw/bin/clear
     else
         /bin/clear