diff --git a/pkgs/servers/nosql/apache-jena/fuseki-binary.nix b/pkgs/servers/nosql/apache-jena/fuseki-binary.nix
index a138f893a0a2..bc83d0cccab6 100644
--- a/pkgs/servers/nosql/apache-jena/fuseki-binary.nix
+++ b/pkgs/servers/nosql/apache-jena/fuseki-binary.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
     for i in "$out"/bin/*; do
       wrapProgram "$i" \
         --prefix "PATH" : "${java}/bin/" \
-        --set "FUSEKI_HOME" '${FUSEKI_HOME:-'"$out"'}' \
+        --set "FUSEKI_HOME" '"''${FUSEKI_HOME:-'"$out"'}"' \
         ;
     done
   '';