1 files changed, 3 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/tools/misc/timidity/default.nix b/nixpkgs/pkgs/tools/misc/timidity/default.nix
index 88c3c7cb4252..f33520aee0a8 100644
--- a/nixpkgs/pkgs/tools/misc/timidity/default.nix
+++ b/nixpkgs/pkgs/tools/misc/timidity/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "timidity-2.15.0";
 
   src = fetchurl {
-    url = mirror://sourceforge/timidity/TiMidity++-2.15.0.tar.bz2;
+    url = "mirror://sourceforge/timidity/TiMidity++-2.15.0.tar.bz2";
     sha256 = "1xf8n6dqzvi6nr2asags12ijbj1lwk1hgl3s27vm2szib8ww07qn";
   };
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   NIX_LDFLAGS = "-ljack -L${libjack2}/lib";
 
   instruments = fetchurl {
-    url = http://www.csee.umbc.edu/pub/midia/instruments.tar.gz;
+    url = "http://www.csee.umbc.edu/pub/midia/instruments.tar.gz";
     sha256 = "0lsh9l8l5h46z0y8ybsjd4pf6c22n33jsjvapfv3rjlfnasnqw67";
   };
 
@@ -30,7 +30,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://sourceforge.net/projects/timidity/;
+    homepage = "https://sourceforge.net/projects/timidity/";
     license = licenses.gpl2;
     description = "A software MIDI renderer";
     maintainers = [ maintainers.marcweber ];