diff --git a/pkgs/development/compilers/llvm/common/lldb/default.nix b/pkgs/development/compilers/llvm/common/lldb/default.nix
index 3be8102e5315..7dc2906cda0d 100644
--- a/pkgs/development/compilers/llvm/common/lldb/default.nix
+++ b/pkgs/development/compilers/llvm/common/lldb/default.nix
@@ -73,7 +73,7 @@ stdenv.mkDerivation (
       "dev"
     ];
 
-    sourceRoot = lib.optional (lib.versionAtLeast release_version "13") "${finalAttrs.src.name}/${finalAttrs.pname}";
+    sourceRoot = lib.optional (lib.versionAtLeast release_version "13") "${finalAttrs.src.name}/lldb";
 
     patches =
       let