diff --git a/nushell/config/aliases.nu b/nushell/config/aliases.nu
index 89cc789..7432231 100644
--- a/nushell/config/aliases.nu
+++ b/nushell/config/aliases.nu
@@ -94,7 +94,9 @@ alias v = nvim
 alias :q = exit
 
 # evince in background
-alias pdf = pueue add evince
+def pdf [arg: string] {
+    pueue add evince ($arg | str replace ' ' '\ ')
+}
 
 # ripgrep
 alias rg = rg -uu