diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index fce57c0893e..c8f8934e866 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -362,7 +362,7 @@ let
     mwaved = [ pkgs.fftw.dev ];
     mzR = with pkgs; [ zlib boost159.dev netcdf ];
     ncdf4 = [ pkgs.netcdf ];
-    nloptr = with pkgs; [ nlopt pkg-config ];
+    nloptr = with pkgs; [ nlopt pkg-config libiconv ];
     n1qn1 = [ pkgs.gfortran ];
     odbc = [ pkgs.unixODBC ];
     pander = with pkgs; [ pandoc which ];
diff --git a/pkgs/development/r-modules/generic-builder.nix b/pkgs/development/r-modules/generic-builder.nix
index 880fff44ed6..beb669d9893 100644
--- a/pkgs/development/r-modules/generic-builder.nix
+++ b/pkgs/development/r-modules/generic-builder.nix
@@ -10,6 +10,8 @@ stdenv.mkDerivation ({
   NIX_CFLAGS_COMPILE =
     lib.optionalString stdenv.isDarwin "-I${lib.getDev libcxx}/include/c++/v1";
 
+  hardeningDisable = lib.optionals (stdenv.isAarch64 && stdenv.isDarwin) [ "stackprotector" ];
+
   configurePhase = ''
     runHook preConfigure
     export R_LIBS_SITE="$R_LIBS_SITE''${R_LIBS_SITE:+:}$out/library"