--- a/BuildTools/SCons/SConscript.boot
+++ b/BuildTools/SCons/SConscript.boot
@@ -427,7 +427,7 @@
 
 # Packaging
 env["DIST"] = "dist" in ARGUMENTS or env.GetOption("clean")
-for path in ["SWIFT_INSTALLDIR", "SWIFTEN_INSTALLDIR", "SLUIFT_INSTALLDIR"] :
+for path in ["SWIFT_INSTALLDIR", "SWIFTEN_INSTALLDIR", "SLUIFT_INSTALLDIR", "SWIFTEN_LIBINSTALLDIR"] :
     if ARGUMENTS.get(path, "") :
         if os.path.isabs(ARGUMENTS[path]) :
             env[path] = Dir(ARGUMENTS[path]).abspath
--- a/Swiften/SConscript
+++ b/Swiften/SConscript
@@ -646,9 +646,9 @@
 
     # Install swiften
     if swiften_env.get("SWIFTEN_INSTALLDIR", "") :
-        swiften_libdir = swiften_env.get("SWIFTEN_LIBDIR", "lib")
-        swiften_env.Install(os.path.join(swiften_env["SWIFTEN_INSTALLDIR"], swiften_libdir), swiften_lib)
+        swiften_libdir = swiften_env.get("SWIFTEN_LIBDIR", "")
+        swiften_env.Install(os.path.join(swiften_env["SWIFTEN_LIBINSTALLDIR"], swiften_libdir), swiften_lib)
         for alias in myenv["SWIFTEN_LIBRARY_ALIASES"] :
-            myenv.Command(myenv.File(os.path.join(swiften_env["SWIFTEN_INSTALLDIR"], swiften_libdir, alias)), [env.Value(swiften_lib[0].name), swiften_lib[0]], symlink)
+            myenv.Command(myenv.File(os.path.join(swiften_env["SWIFTEN_LIBINSTALLDIR"], swiften_libdir, alias)), [env.Value(swiften_lib[0].name), swiften_lib[0]], symlink)
         for include in swiften_includes :
             swiften_env.Install(os.path.join(swiften_env["SWIFTEN_INSTALLDIR"], "include", os.path.dirname(include)), "#/" + include)