diff --git a/dot_config/fish/conf.d/30-java.fish b/dot_config/fish/conf.d/30-java.fish
index 5115279..105fb51 100644
--- a/dot_config/fish/conf.d/30-java.fish
+++ b/dot_config/fish/conf.d/30-java.fish
@@ -1,3 +1,3 @@
 #!/usr/bin/env fish
 
-set -Ux _JAVA_OPTIONS "-Djavafx.cachedir=$XDG_CACHE_HOME/openjfx"
+set -Ux _JAVA_OPTIONS "-Djavafx.cachedir=$XDG_CACHE_HOME/openjfx -Djava.util.prefs.userRoot=$XDG_CONFIG_HOME/java"