diff --git a/pkgs/development/libraries/tinyxml/2.6.2.nix b/pkgs/development/libraries/tinyxml/2.6.2.nix
index cc374345c2eb..2ec9c57e2411 100644
--- a/pkgs/development/libraries/tinyxml/2.6.2.nix
+++ b/pkgs/development/libraries/tinyxml/2.6.2.nix
@@ -21,8 +21,11 @@ in stdenv.mkDerivation {
     # Use CC, CXX, and LD from environment
     ./2.6.2-cxx.patch
   ];
+
   preConfigure = "export LD=${if stdenv.isDarwin then "clang++" else "g++"}";
 
+  hardeningDisable = [ "format" ];
+
   NIX_CFLAGS_COMPILE =
     stdenv.lib.optional stdenv.isDarwin "-mmacosx-version-min=10.9";