diff --git a/pkgs/development/compilers/llvm/11/llvm/default.nix b/pkgs/development/compilers/llvm/11/llvm/default.nix
index fc64451e013e..ee2fe9c90b2b 100644
--- a/pkgs/development/compilers/llvm/11/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/11/llvm/default.nix
@@ -70,7 +70,7 @@ in stdenv.mkDerivation (rec {
       --replace "Path.cpp" ""
     rm unittests/Support/Path.cpp
   '' + optionalString stdenv.hostPlatform.isMusl ''
-    patch -p1 -i ${../TLI-musl.patch}
+    patch -p1 -i ${../../TLI-musl.patch}
     substituteInPlace unittests/Support/CMakeLists.txt \
       --replace "add_subdirectory(DynamicLibrary)" ""
     rm unittests/Support/DynamicLibrary/DynamicLibraryTest.cpp