diff --git a/pkgs/applications/office/libreoffice/default.nix b/pkgs/applications/office/libreoffice/default.nix
index c777e5b4b835..e9bf233ade49 100644
--- a/pkgs/applications/office/libreoffice/default.nix
+++ b/pkgs/applications/office/libreoffice/default.nix
@@ -193,10 +193,12 @@ in
 
   outputs = [ "out" "dev" ];
 
-  env.NIX_CFLAGS_COMPILE = toString [
+  env.NIX_CFLAGS_COMPILE = toString ([
     "-I${librdf_rasqal}/include/rasqal" # librdf_redland refers to rasqal.h instead of rasqal/rasqal.h
     "-fno-visibility-inlines-hidden" # https://bugs.documentfoundation.org/show_bug.cgi?id=78174#c10
-  ];
+  ] ++ optionals (stdenv.isLinux && stdenv.isAarch64 && variant == "still") [
+    "-O2" # https://bugs.gentoo.org/727188
+  ]);
 
   tarballPath = "external/tarballs";