diff --git a/pkgs/development/libraries/leatherman/default.nix b/pkgs/development/libraries/leatherman/default.nix
index bdba8688f9d0..7f7d34199be1 100644
--- a/pkgs/development/libraries/leatherman/default.nix
+++ b/pkgs/development/libraries/leatherman/default.nix
@@ -11,7 +11,12 @@ stdenv.mkDerivation rec {
     owner = "puppetlabs";
   };
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=ignored-qualifiers" "-Wno-error=class-memaccess" "-Wno-error=catch-value" ];
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=ignored-qualifiers"
+    "-Wno-error=class-memaccess"
+    "-Wno-error=catch-value"
+    "-Wno-error=deprecated-copy"
+  ];
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ boost curl ruby ];
@@ -19,7 +24,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/puppetlabs/leatherman/;  
+    homepage = https://github.com/puppetlabs/leatherman/;
     description = "A collection of C++ and CMake utility libraries";
     license = licenses.asl20;
     maintainers = [ maintainers.womfoo ];