diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
index c678065d..459c3af4 100644
--- a/DEVELOPMENT.md
+++ b/DEVELOPMENT.md
@@ -38,6 +38,7 @@ Then build the python bindings:
 
     cd ../python
     export LD_LIBRARY_PATH=../build/install/usr/local/lib
+    export DYLD_LIBRARY_PATH=../build/install/usr/local/lib
     tox
 
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