1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/tools/graphics/pngtoico/default.nix b/pkgs/tools/graphics/pngtoico/default.nix
index ed8fa5ee5192..2300c65f24b5 100644
--- a/pkgs/tools/graphics/pngtoico/default.nix
+++ b/pkgs/tools/graphics/pngtoico/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "pngtoico-1.0";
 
   src = fetchurl {
-    url = mirror://kernel/software/graphics/pngtoico/pngtoico-1.0.tar.gz;
+    url = "mirror://kernel/software/graphics/pngtoico/pngtoico-1.0.tar.gz";
     sha256 = "1xb4aa57sjvgqfp01br3dm72hf7q0gb2ad144s1ifrs09215fgph";
   };
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   buildInputs = [ libpng ];
 
   meta = {
-    homepage = https://www.kernel.org/pub/software/graphics/pngtoico/;
+    homepage = "https://www.kernel.org/pub/software/graphics/pngtoico/";
     description = "Small utility to convert a set of PNG images to Microsoft ICO format";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = with stdenv.lib.platforms; linux;