diff --git a/pkgs/development/compilers/llvm/common/common-let.nix b/pkgs/development/compilers/llvm/common/common-let.nix
index 6ee05b80c446..f87af997361c 100644
--- a/pkgs/development/compilers/llvm/common/common-let.nix
+++ b/pkgs/development/compilers/llvm/common/common-let.nix
@@ -22,7 +22,8 @@ rec {
       lib.platforms.wasi ++
       lib.platforms.x86 ++
       lib.optionals (lib.versionAtLeast release_version "7") lib.platforms.riscv ++
-      lib.optionals (lib.versionAtLeast release_version "14") lib.platforms.m68k;
+      lib.optionals (lib.versionAtLeast release_version "14") lib.platforms.m68k ++
+      lib.optionals (lib.versionAtLeast release_version "16") lib.platforms.loongarch64;
   };
 
   releaseInfo =