diff --git a/README.md b/README.md
index 1e61ec72cc..d3a1078fcc 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,17 @@ ninja noisepage
 ./bin/noisepage
 ```
 
+If you are on a Mac, you may need to add this to your `.zshrc`:
+
+```
+export PATH="/usr/local/opt/llvm@8/bin:$PATH"
+export LIBRARY_PATH=$LIBRARY_PATH:/usr/local/opt/libpqxx/lib/
+export CC=/usr/local/Cellar/llvm@8/8.0.1_3/bin/clang
+export CXX=/usr/local/Cellar/llvm@8/8.0.1_3/bin/clang++
+export LLVM_DIR=/usr/local/Cellar/llvm@8/8.0.1_3
+export ASAN_OPTIONS=detect_container_overflow=0
+```
+
 You can now connect to NoisePage over the Postgres client `psql`.
 ```
 psql -h localhost -U noisepage -p 15721