diff --git a/garlic/pp/rplot.nix b/garlic/pp/rplot.nix
index 19b092d..262e6c4 100644
--- a/garlic/pp/rplot.nix
+++ b/garlic/pp/rplot.nix
@@ -2,6 +2,7 @@
   stdenv
 , rWrapper
 , rPackages
+, fontconfig
 }:
 
 {
@@ -26,6 +27,7 @@ in stdenv.mkDerivation {
   phases = [ "installPhase" ];
 
   installPhase = ''
+    export FONTCONFIG_PATH=${fontconfig.out}/etc/fonts
     mkdir -p $out
     cd $out
     ln -s ${dataset} input