1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/applications/science/electronics/ngspice/default.nix b/pkgs/applications/science/electronics/ngspice/default.nix
index f044f1d88e7..951e5f66f6e 100644
--- a/pkgs/applications/science/electronics/ngspice/default.nix
+++ b/pkgs/applications/science/electronics/ngspice/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "The Next Generation Spice (Electronic Circuit Simulator)";
-    homepage = http://ngspice.sourceforge.net;
+    homepage = "http://ngspice.sourceforge.net";
     license = with licenses; [ "BSD" gpl2 ];
     maintainers = with maintainers; [ bgamari rongcuid ];
     platforms = platforms.linux;