diff --git a/README.md b/README.md
index 1991aa4..0accb63 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,8 @@ brew install curl autoconf automake libtool pkg-config
 
 **Installing libpostal**
 
+If you're using an M1 Mac, add --disable-sse2 to the ./configure command. This will result in poorer performance but the build will succeed.
+
 ```
 git clone https://github.com/openvenues/libpostal
 cd libpostal