diff --git a/pkgs/applications/misc/prusa-slicer/default.nix b/pkgs/applications/misc/prusa-slicer/default.nix
index 96fc551595b5..a9d78e9884e1 100644
--- a/pkgs/applications/misc/prusa-slicer/default.nix
+++ b/pkgs/applications/misc/prusa-slicer/default.nix
@@ -128,6 +128,9 @@ stdenv.mkDerivation (finalAttrs: {
   # prusa-slicer uses dlopen on `libudev.so` at runtime
   NIX_LDFLAGS = lib.optionalString withSystemd "-ludev";
 
+  # FIXME: remove in 2.8.0
+  NIX_CFLAGS_COMPILE = "-Wno-enum-constexpr-conversion";
+
   prePatch = ''
     # Since version 2.5.0 of nlopt we need to link to libnlopt, as libnlopt_cxx
     # now seems to be integrated into the main lib.
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6782cf4d67c4..b1c254588698 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -33630,7 +33630,10 @@ with pkgs;
   printrun = callPackage ../applications/misc/printrun { };
 
   prusa-slicer = darwin.apple_sdk_11_0.callPackage ../applications/misc/prusa-slicer {
-    stdenv = if stdenv.isDarwin then overrideSDK llvmPackages_14.stdenv "11.0" else stdenv;
+    # Build with clang even on Linux, because GCC uses absolutely obscene amounts of memory
+    # on this particular code base (OOM with 32GB memory and --cores 16 on GCC, succeeds
+    # with --cores 32 on clang).
+    stdenv = if stdenv.isDarwin then overrideSDK llvmPackages.stdenv "11.0" else llvmPackages.stdenv;
   };
 
   super-slicer = darwin.apple_sdk_11_0.callPackage ../applications/misc/prusa-slicer/super-slicer.nix { };