diff --git a/pkgs/development/compilers/ghc/7.10.3-binary.nix b/pkgs/development/compilers/ghc/7.10.3-binary.nix
index a0ee96829f6..d4a07a54308 100644
--- a/pkgs/development/compilers/ghc/7.10.3-binary.nix
+++ b/pkgs/development/compilers/ghc/7.10.3-binary.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
       url = "http://haskell.org/ghc/dist/${version}/ghc-${version}b-x86_64-deb8-linux.tar.bz2";
       sha256 = "5e163c557e9236cce68be41c984eab0fcdbdc1602e39040ca9ae325e6bdec1c3";
     };
-    "armv7-linux" = {
+    "armv7l-linux" = {
       url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-armv7-deb8-linux.tar.bz2";
       sha256 = "2913763eef88e4d1843a1e4c34225afb1866310d1a1956c08a4131f4593518f6";
     };
diff --git a/pkgs/development/compilers/ghc/8.2.1-binary.nix b/pkgs/development/compilers/ghc/8.2.1-binary.nix
index de02ac79aa3..caf8a63f81f 100644
--- a/pkgs/development/compilers/ghc/8.2.1-binary.nix
+++ b/pkgs/development/compilers/ghc/8.2.1-binary.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
       url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-x86_64-deb8-linux.tar.xz";
       sha256 = "543b81bf610240bd0398111d6c6607a9094dc2d159b564057d46c8a3d1aaa130";
     };
-    "armv7-linux" = {
+    "armv7l-linux" = {
       url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-armv7-deb8-linux.tar.xz";
       sha256 = "0f0e5e1d4fad3fa1a87ca1fe0d19242f4a94d158b7b8a08f99efefd98b51b019";
     };