1 files changed, 3 insertions, 2 deletions
diff --git a/pkgs/os-specific/linux/perf-tools/default.nix b/pkgs/os-specific/linux/perf-tools/default.nix
index 7d5d6d59ea8..8c3e31e4538 100644
--- a/pkgs/os-specific/linux/perf-tools/default.nix
+++ b/pkgs/os-specific/linux/perf-tools/default.nix
@@ -1,7 +1,8 @@
 { lib, stdenv, fetchFromGitHub, perl }:
 
 stdenv.mkDerivation {
-  name = "perf-tools-20171219";
+  pname = "perf-tools";
+  version = "unstable-2017-12-19";
 
   src = fetchFromGitHub {
     owner = "brendangregg";
@@ -39,6 +40,6 @@ stdenv.mkDerivation {
     homepage = "https://github.com/brendangregg/perf-tools";
     description = "Performance analysis tools based on Linux perf_events (aka perf) and ftrace";
     maintainers = [ maintainers.eelco ];
-    license = licenses.gpl2;
+    license = licenses.gpl2Plus;
   };
 }