--- src/SConscript.client.orig 2018-02-28 15:11:26.000000000 -0600 +++ src/SConscript.client 2018-03-06 04:46:38.000000000 -0600 @@ -407,8 +407,8 @@ if darwin: sharedLibEnv.AddPostAction( mongoClientSharedLibPrefixInstall, - "install_name_tool -id %s %s" % ( - mongoClientSharedLibPrefixInstall[0], + "install_name_tool -id @PREFIX@/lib/%s %s" % ( + mongoClientSharedLibPrefixInstall[0].name, mongoClientSharedLibPrefixInstall[0] )) mongoClientPrefixInstalls.append(mongoClientSharedLibPrefixInstall)