1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/applications/science/chemistry/siesta/default.nix b/pkgs/applications/science/chemistry/siesta/default.nix
index 9d7880f57df5a..11f3e551431af 100644
--- a/pkgs/applications/science/chemistry/siesta/default.nix
+++ b/pkgs/applications/science/chemistry/siesta/default.nix
@@ -61,7 +61,7 @@ stdenv.mkDerivation {
          matching the quality of other approaches, such as plane-wave
          and all-electron methods.
       '';
-    homepage = https://www.quantum-espresso.org/;
+    homepage = "https://www.quantum-espresso.org/";
     license = licenses.gpl2;
     platforms = [ "x86_64-linux" ];
     maintainers = [ maintainers.costrouc ];