diff --git a/share/functions/__fish_whatis.fish b/share/functions/__fish_whatis.fish
index 6851a4db0..e490155f0 100644
--- a/share/functions/__fish_whatis.fish
+++ b/share/functions/__fish_whatis.fish
@@ -8,7 +8,7 @@ function __fish_whatis
     end
 
     set -l description (whatis $cmd 2>/dev/null | string replace -r '.*? - ' '')[1]
-    if not string match -qr -- "." "$description"
+    if string match -qr -- "." "$description"
         printf '%s\n' $description
         return 0
     else if not string match -q -- "$fallback" ""