diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7baad67708f43..34a29f348ee1a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8363,7 +8363,8 @@ with pkgs;
 
   qtcreator = qt6Packages.callPackage ../development/tools/qtcreator {
     inherit (linuxPackages) perf;
-    stdenv = llvmPackages.stdenv;
+    llvmPackages = llvmPackages_18;
+    stdenv = llvmPackages_18.stdenv;
   };
 
   qxmledit = libsForQt5.callPackage ../applications/editors/qxmledit {} ;