diff --git a/INSTALL b/INSTALL
index ab82781bd..39f3aeeb2 100644
--- a/INSTALL
+++ b/INSTALL
@@ -60,6 +60,9 @@ More detailed build instructions
 		LD_LIBRARY_PATH=/opt/cairo/lib
 		export PKG_CONFIG_PATH LD_LIBRARY_PATH
 
+	(NOTE: On mac OS X, at least, use DYLD_LIBRARY_PATH in place
+	       of LD_LIBRARY_PATH above.)
+
     --enable-ps
     --enable-pdf
     --enable-quartz