diff --git a/README.md b/README.md
index bde8676..1913b37 100644
--- a/README.md
+++ b/README.md
@@ -108,6 +108,9 @@ make install    # install to $(DESTDIR)/usr/local/bin/bantam
 The default `make` produces a single binary, `bantam`, with no runtime
 dependencies beyond libc, libcurl and libreadline.
 
+**Note:** on macOS, if you also have a GNU toolchain installed, you may
+have to use `make STRIP=/usr/bin/strip` to achieve full ABI compatibility.
+
 ## Running
 
 Bantam reads `.bantam.cfg` from the current working directory.