diff --git a/pkgs/development/compilers/ghc/8.4.4.nix b/pkgs/development/compilers/ghc/8.4.4.nix
index d1665574de35..4bebd63956e7 100644
--- a/pkgs/development/compilers/ghc/8.4.4.nix
+++ b/pkgs/development/compilers/ghc/8.4.4.nix
@@ -87,7 +87,7 @@ stdenv.mkDerivation (rec {
   name = "${targetPrefix}ghc-${version}";
 
   src = fetchurl {
-    url = "https://downloads.haskell.org/~ghc/${version}/ghc-${version}-src.tar.xz";
+    url = "https://downloads.haskell.org/ghc/${version}/ghc-${version}-src.tar.xz";
     sha256 = "1ch4j2asg7pr52ai1hwzykxyj553wndg7wq93i47ql4fllspf48i";
   };
 
diff --git a/pkgs/development/compilers/ghc/8.6.5.nix b/pkgs/development/compilers/ghc/8.6.5.nix
index ead28a3076a8..e276d9b12b93 100644
--- a/pkgs/development/compilers/ghc/8.6.5.nix
+++ b/pkgs/development/compilers/ghc/8.6.5.nix
@@ -92,7 +92,7 @@ stdenv.mkDerivation (rec {
   name = "${targetPrefix}ghc-${version}";
 
   src = fetchurl {
-    url = "https://downloads.haskell.org/~ghc/${version}/ghc-${version}-src.tar.xz";
+    url = "https://downloads.haskell.org/ghc/${version}/ghc-${version}-src.tar.xz";
     sha256 = "0qg3zsmbk4rkwkc3jpas3zs74qaxmw4sp4v1mhsbj0a0dzls2jjd";
   };
 
@@ -187,7 +187,7 @@ stdenv.mkDerivation (rec {
   strictDeps = true;
 
   # Don’t add -liconv to LDFLAGS automatically so that GHC will add it itself.
-	dontAddExtraLibs = true;
+  dontAddExtraLibs = true;
 
   nativeBuildInputs = [
     perl autoconf automake m4 python3 sphinx