1 files changed, 3 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/development/libraries/science/math/scalapack/default.nix b/nixpkgs/pkgs/development/libraries/science/math/scalapack/default.nix
index bff0d9a85fa2..a226dd2fc63d 100644
--- a/nixpkgs/pkgs/development/libraries/science/math/scalapack/default.nix
+++ b/nixpkgs/pkgs/development/libraries/science/math/scalapack/default.nix
@@ -5,13 +5,13 @@
 
 stdenv.mkDerivation rec {
   pname = "scalapack";
-  version = "2.1";
+  version = "2.1.0";
 
   src = fetchFromGitHub {
     owner = "Reference-ScaLAPACK";
     repo = pname;
     rev = "v${version}";
-    sha256 = "042q9kc383h7y0had9a37702z4s0szavss063ljvfdsbjy07gzb1";
+    sha256 = "1c10d18gj3kvpmyv5q246x35hjxaqn4ygy1cygaydhyxnm4klzdj";
   };
 
   nativeBuildInputs = [ cmake openssh ];
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
     # Run single threaded
     export OMP_NUM_THREADS=1
 
-    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:`pwd`/lib
+    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}`pwd`/lib
   '';
 
   meta = with stdenv.lib; {