1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/interpreters/scheme48/default.nix b/pkgs/development/interpreters/scheme48/default.nix
index e01aef98303..32dd28bcb20 100644
--- a/pkgs/development/interpreters/scheme48/default.nix
+++ b/pkgs/development/interpreters/scheme48/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "scheme48-1.9.2";
 
   meta = {
-    homepage = http://s48.org/;
+    homepage = "http://s48.org/";
     description = "Scheme 48";
     maintainers = with stdenv.lib.maintainers; [ the-kenny ];
     platforms = with stdenv.lib.platforms; unix;
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
   };
 
   src = fetchurl {
-    url = http://s48.org/1.9.2/scheme48-1.9.2.tgz;
+    url = "http://s48.org/1.9.2/scheme48-1.9.2.tgz";
     sha256 = "1x4xfm3lyz2piqcw1h01vbs1iq89zq7wrsfjgh3fxnlm1slj2jcw";
   };
 }