diff --git a/.config/helix/scripts/typst-zathura.fish b/.config/helix/scripts/typst-zathura.fish
index d57881e4..231e65f5 100755
--- a/.config/helix/scripts/typst-zathura.fish
+++ b/.config/helix/scripts/typst-zathura.fish
@@ -17,10 +17,26 @@ function find_pdf
     end
 end
 
+if set -q _flag_q
+    set ret 1
+else
+    set ret 0
+end
+
+function qecho
+    if not set -q _flag_q
+        echo $argv[1]
+    end
+end
+
 set -l src (path resolve $argv[1])
 # echo $src
 # string replace 
-set -l targ (string replace --filter '.typ' '.pdf' $src)
+if not string match -q '.typ' $src
+    qecho "$(path basename $src) is not a Typst file!"
+    return $ret
+end
+set -l targ (string replace '.typ' '.pdf' $src)
 set -l base (path basename --no-extension $src).pdf
 if test -f "$targ" -a '' != ''
     # zathura "$targ" &>/dev/null &