diff --git a/pkgs/os-specific/linux/numactl/default.nix b/pkgs/os-specific/linux/numactl/default.nix
index d796bf579f12..2f8a4feb0301 100644
--- a/pkgs/os-specific/linux/numactl/default.nix
+++ b/pkgs/os-specific/linux/numactl/default.nix
@@ -17,6 +17,8 @@ stdenv.mkDerivation rec {
     patchShebangs test
   '';
 
+  LDFLAGS = lib.optionalString stdenv.hostPlatform.isRiscV "-latomic";
+
   # You probably shouldn't ever run these! They will reconfigure Linux
   # NUMA settings, which on my build machine makes the rest of package
   # building ~5% slower until reboot. Ugh!
@@ -26,6 +28,6 @@ stdenv.mkDerivation rec {
     description = "Library and tools for non-uniform memory access (NUMA) machines";
     homepage = "https://github.com/numactl/numactl";
     license = with licenses; [ gpl2 lgpl21 ]; # libnuma is lgpl21
-    platforms = [ "i686-linux" "x86_64-linux" "aarch64-linux" ];
+    platforms = platforms.linux;
   };
 }