diff --git a/dots/lf/lfrc b/dots/lf/lfrc
index 3ffd379..5d34a5f 100644
--- a/dots/lf/lfrc
+++ b/dots/lf/lfrc
@@ -66,7 +66,7 @@ map X !$f
 cmd open ${{
 
     case "$f" in
-        *.[Pp][Dd][Ff]*) mupdf $fx;;
+        *.[Pp][Dd][Ff]*) mupdf $fx &;;
         *.[Rr][Pp][Pp]*) reaper $fx;;
         *)  case $(file --mime-type -Lb $f) in
                 text/*) helix $fx;;