diff --git a/pkgs/build-support/cc-wrapper/default.nix b/pkgs/build-support/cc-wrapper/default.nix
index ec6bd7855972..d976b79febed 100644
--- a/pkgs/build-support/cc-wrapper/default.nix
+++ b/pkgs/build-support/cc-wrapper/default.nix
@@ -146,7 +146,7 @@ stdenv.mkDerivation {
     # Binutils, and Apple's "cctools"; "bintools" as an attempt to find an
     # unused middle-ground name that evokes both.
     inherit bintools;
-    inherit libc nativeTools nativeLibc nativePrefix isGNU isClang;
+    inherit libc libcxx nativeTools nativeLibc nativePrefix isGNU isClang;
 
     emacsBufferSetup = pkgs: ''
       ; We should handle propagation here too