diff --git a/pkgs/development/tools/misc/cwebbin/default.nix b/pkgs/development/tools/misc/cwebbin/default.nix
index 75a06291b02..458f85c1082 100644
--- a/pkgs/development/tools/misc/cwebbin/default.nix
+++ b/pkgs/development/tools/misc/cwebbin/default.nix
@@ -27,6 +27,7 @@ stdenv.mkDerivation rec {
     "CP=cp"
     "RM=rm"
     "PDFTEX=echo"
+    "CC=c++"
   ];
 
   buildPhase = ''