diff --git a/pkgs/os-specific/linux/extrace/default.nix b/pkgs/os-specific/linux/extrace/default.nix
index 1eac5997bf3..e4afe6f8503 100644
--- a/pkgs/os-specific/linux/extrace/default.nix
+++ b/pkgs/os-specific/linux/extrace/default.nix
@@ -2,16 +2,16 @@
 
 stdenv.mkDerivation rec {
   pname = "extrace";
-  version = "0.8";
+  version = "0.9";
 
   src = fetchFromGitHub {
     owner = "leahneukirchen";
     repo = "extrace";
     rev = "v${version}";
-    sha256 = "sha256-Kg5yzVg9sqlOCzAq/HeFUPZ89Enfkt/r7EunCfOqdA0=";
+    hash = "sha256-Jy/Ac3NcqBkW0kHyypMAVUGAQ41qWM96BbLAym06ogM=";
   };
 
-  makeFlags = [ "PREFIX=$(out)" ];
+  makeFlags = [ "PREFIX=${placeholder "out"}" ];
 
   postInstall = ''
     install -dm755 "$out/share/licenses/extrace/"
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "https://github.com/leahneukirchen/extrace";
     description = "Trace exec() calls system-wide";
-    license = with licenses; [ gpl2 bsd2 ];
+    license = with licenses; [ gpl2Plus bsd2 ];
     platforms = platforms.linux;
     maintainers = [ maintainers.leahneukirchen ];
   };