diff --git a/pkgs/applications/graphics/ktikz/default.nix b/pkgs/applications/graphics/ktikz/default.nix
index 4b3a423a8ce..25abcd9d41d 100644
--- a/pkgs/applications/graphics/ktikz/default.nix
+++ b/pkgs/applications/graphics/ktikz/default.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
     # lrelease command:
     LRELEASECOMMAND = lrelease
     # qcollectiongenerator command:
-    #QCOLLECTIONGENERATORCOMMAND = qcollectiongenerator
+    QCOLLECTIONGENERATORCOMMAND = qhelpgenerator
 
     # TikZ documentation default file path:
     TIKZ_DOCUMENTATION_DEFAULT = @out@/share/doc/texmf/pgf/pgfmanual.pdf.gz