diff --git a/pkgs/development/libraries/civetweb/default.nix b/pkgs/development/libraries/civetweb/default.nix
index bf737972612..3222702f5a1 100644
--- a/pkgs/development/libraries/civetweb/default.nix
+++ b/pkgs/development/libraries/civetweb/default.nix
@@ -30,8 +30,9 @@ stdenv.mkDerivation rec {
   '';
 
   cmakeFlags = [
-    "-DCIVETWEB_ENABLE_CXX=ON"
     "-DBUILD_SHARED_LIBS=ON"
+    "-DCIVETWEB_ENABLE_CXX=ON"
+    "-DCIVETWEB_ENABLE_IPV6=ON"
 
     # The civetweb unit tests rely on downloading their fork of libcheck.
     "-DCIVETWEB_BUILD_TESTING=OFF"