diff --git a/pkgs/os-specific/linux/libpsm2/default.nix b/pkgs/os-specific/linux/libpsm2/default.nix
index 1ac4580b13f1..1915326b7d89 100644
--- a/pkgs/os-specific/linux/libpsm2/default.nix
+++ b/pkgs/os-specific/linux/libpsm2/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/intel/opa-psm2";
     description = "The PSM2 library supports a number of fabric media and stacks";
     license = with licenses; [ gpl2 bsd3 ];
-   platforms = [ "x86_64-linux" ];
+    platforms = [ "x86_64-linux" ];
     maintainers = [ maintainers.bzizou ];
   };
 }