diff --git a/pkgs/tools/graphics/feedgnuplot/default.nix b/pkgs/tools/graphics/feedgnuplot/default.nix
index 58b1e7a9dc9..f998a288287 100644
--- a/pkgs/tools/graphics/feedgnuplot/default.nix
+++ b/pkgs/tools/graphics/feedgnuplot/default.nix
@@ -37,9 +37,12 @@ buildPerlPackage rec {
     wrapProgram $out/bin/feedgnuplot \
         --prefix "PATH" ":" "$PATH" \
         --prefix "PERL5LIB" ":" "$PERL5LIB"
+    install -D -m 444 -t $out/share/bash-completion/completions \
+        completions/bash/feedgnuplot
+    install -D -m 444 -t $out/share/zsh/site-functions \
+        completions/zsh/_feedgnuplot
   '';
 
-
   meta = with stdenv.lib; {
     description = "General purpose pipe-oriented plotting tool";
     homepage = https://github.com/dkogan/feedgnuplot/;