diff --git a/pkgs/applications/science/math/nasc/default.nix b/pkgs/applications/science/math/nasc/default.nix
index bba08e3ae29..73fa2a5e678 100644
--- a/pkgs/applications/science/math/nasc/default.nix
+++ b/pkgs/applications/science/math/nasc/default.nix
@@ -6,7 +6,6 @@
 , granite
 , gnome3
 , cmake
-, ninja
 , vala_0_40
 , libqalculate
 , gobjectIntrospection
@@ -14,24 +13,28 @@
 
 stdenv.mkDerivation rec {
   name = "nasc-${version}";
-  version = "0.5.0";
+  version = "0.5.1";
 
   src = fetchFromGitHub {
     owner = "parnold-x";
     repo = "nasc";
     rev = version;
-    sha256 = "1rrp3djsv7lrgsqjn7x50msv0c5ffhz90lj1v11di0kp05m6q9j9";
+    sha256 = "13y5fnm7g3xgdxmdydlgly73nigh8maqbf9d6c9bpyzxkxq1csy5";
   };
 
+  postPatch = ''
+    # libqalculatenasc.so is not installed, and nasc fails to start
+    substituteInPlace libqalculatenasc/CMakeLists.txt --replace SHARED STATIC
+  '';
+
   nativeBuildInputs = [
     pkgconfig
     wrapGAppsHook
     vala_0_40 # should be `elementary.vala` when elementary attribute set is merged
     cmake
-    ninja
     gobjectIntrospection # for setup-hook
   ];
-  
+
   buildInputs = [
     gnome3.defaultIconTheme # should be `elementary.defaultIconTheme`when elementary attribute set is merged
     gnome3.gtksourceview