diff --git a/share/completions/kcmshell5.fish b/share/completions/kcmshell5.fish
index 78f6a7d8d..c7b7796cb 100644
--- a/share/completions/kcmshell5.fish
+++ b/share/completions/kcmshell5.fish
@@ -8,4 +8,4 @@ complete -c kcmshell5 -f -l icon -d "Icon for the module"
 complete -c kcmshell5 -f -l caption -d "Title for the window"
 complete -c kcmshell5 -f -l version -s v -d "Show version information and exit"
 complete -c kcmshell5 -f -l help -s h -d "Show help information and exit"
-complete -c kcmshell5 -f -a "(kcmshell5 --list | tail -n +2 | string replace -r -- ' +-' \t)"
+complete -c kcmshell5 -f -a "(kcmshell5 --list 2>/dev/null | tail -n +2 | string replace -r -- ' +-' \t)"