1 files changed, 3 insertions, 2 deletions
diff --git a/pkgs/applications/science/misc/root/5.nix b/pkgs/applications/science/misc/root/5.nix
index 1b4d6bcd048..14a7d33af78 100644
--- a/pkgs/applications/science/misc/root/5.nix
+++ b/pkgs/applications/science/misc/root/5.nix
@@ -17,7 +17,7 @@
 , libxcrypt
 , lz4
 , xz
-, gsl_1
+, gsl
 , xxHash
 , Cocoa
 , OpenGL
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ pcre python2 zlib libxml2 lz4 xz gsl_1 xxHash libxcrypt ]
+  buildInputs = [ pcre python2 zlib libxml2 lz4 xz gsl xxHash libxcrypt ]
     ++ lib.optionals (!stdenv.isDarwin) [ libX11 libXpm libXft libXext libGLU libGL ]
     ++ lib.optionals (stdenv.isDarwin) [ Cocoa OpenGL ]
   ;
@@ -144,6 +144,7 @@ stdenv.mkDerivation rec {
     homepage = "https://root.cern.ch/";
     description = "A data analysis framework";
     platforms = platforms.unix;
+    broken = !stdenv.isx86_64;
     maintainers = with maintainers; [ veprbl ];
     license = licenses.lgpl21;
   };