diff --git a/flake.nix b/flake.nix
index 1d0f1cf..a194e34 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,6 +8,10 @@
       nixpkgsFor = forAllSystems (system: import nixpkgs { 
         inherit system;
         config.allowUnfree = true;  # :(
+        config.segger-jlink.acceptLicense = true;
+        config.permittedInsecurePackages = [
+          "segger-jlink-qt4-794a"
+        ];
       });
 
       lastModifiedDate =
@@ -219,7 +223,9 @@
 
 
           # from https://github.com/NixOS/nixpkgs/pull/255185
-          nrf-command-line-tools = pkgs.callPackage ./pkgs_from_pr_255185/nrf-command-line-tools { };
+          nrf-command-line-tools = pkgs.callPackage ./pkgs_from_pr_255185/nrf-command-line-tools { 
+            segger-jlink = self.packages."${system}".segger-jlink;
+          };
           nrfconnect = pkgs.callPackage ./pkgs_from_pr_255185/nrfconnect { 
             acceptLicense = true;
           };