diff --git a/pkgs/tools/graphics/feedgnuplot/default.nix b/pkgs/tools/graphics/feedgnuplot/default.nix
index f998a288287..4e371ffd2b0 100644
--- a/pkgs/tools/graphics/feedgnuplot/default.nix
+++ b/pkgs/tools/graphics/feedgnuplot/default.nix
@@ -31,7 +31,8 @@ buildPerlPackage rec {
     patchShebangs .
   '';
 
-  doCheck = true;
+  # Tests require gnuplot 4.6.4 and are completely skipped with gnuplot 5.
+  doCheck = false;
 
   postInstall = ''
     wrapProgram $out/bin/feedgnuplot \