--- a/build/targets/x86_64-osx.properties
+++ b/build/targets/x86_64-osx.properties
@@ -15,7 +15,7 @@
 target.bootimage.code.address=0x35000000
 target.bootimage.data.address=0x31000000
 target.bootimage.rmap.address=0x38000000
-target.max-mappable.address=0x80000000
+target.max-mappable.address=0x60000000
 target.address.size=32
 target.dll-prefix=lib
 target.dll-ext=.dylib