diff --git a/pkgs/os-specific/linux/perf-tools/default.nix b/pkgs/os-specific/linux/perf-tools/default.nix
index 7d5d6d59ea84d..113cceb50a458 100644
--- a/pkgs/os-specific/linux/perf-tools/default.nix
+++ b/pkgs/os-specific/linux/perf-tools/default.nix
@@ -39,6 +39,6 @@ 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;
   };
 }