diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 77f70d7b714..eb5db9c6d8d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -15375,7 +15375,7 @@ in modules // {
 
     buildInputs = with self; [
       pkgs.freetype pkgs.libjpeg pkgs.zlib pkgs.libtiff pkgs.libwebp pkgs.tcl nose ]
-      ++ optionals (isPy26 || isPy27 || isPy33 || isPyPy) [ pkgs.lcms2 ]
+      ++ optionals (isPy26 || isPy27 || isPy33 || isPy34 || isPyPy) [ pkgs.lcms2 ]
       ++ optionals (isPyPy) [ pkgs.tk pkgs.xorg.libX11 ];
 
     # NOTE: we use LCMS_ROOT as WEBP root since there is not other setting for webp.