diff --git a/pkgs/development/libraries/icu/default.nix b/pkgs/development/libraries/icu/default.nix
index fa486ba0b39..b2f2f7a083f 100644
--- a/pkgs/development/libraries/icu/default.nix
+++ b/pkgs/development/libraries/icu/default.nix
@@ -14,6 +14,9 @@ stdenv.mkDerivation {
     sha256 = "14l0kl17nirc34frcybzg0snknaks23abhdxkmsqg3k9sil5wk9g";
   };
 
+  makeFlags = stdenv.lib.optionalString stdenv.isDarwin
+    "CXXFLAGS=-headerpad_max_install_names";
+
   # FIXME: This fixes dylib references in the dylibs themselves, but
   # not in the programs in $out/bin.
   buildInputs = stdenv.lib.optional stdenv.isDarwin fixDarwinDylibNames;