diff --git a/check/predef.jam b/check/predef.jam
index 65c3451..f62aec7 100644
--- a/check/predef.jam
+++ b/check/predef.jam
@@ -27,10 +27,12 @@ local rule check_target ( language : ext )
     # Need to use absolute paths because we don't know the
     # context of the invocation which affects where the paths
     # originate from.
+    local predef_jam
+    	= [ modules.binding $(__name__) ] ;
 	local source_path
-		= [ path.root $(__name__:D)/predef_check_as_$(language).$(ext) [ path.pwd ] ] ;
+		= [ path.root $(predef_jam:D)/predef_check_as_$(language).$(ext) [ path.pwd ] ] ;
 	local include_path
-		= [ path.root $(__name__:D)/../include [ path.pwd ] ] ;
+		= [ path.root $(predef_jam:D)/../include [ path.pwd ] ] ;
 	_check_exe_($(language)) = [
 		exe predef_check_as_$(language)
 			: $(source_path)
diff --git a/test/build.jam b/test/build.jam
index c6bee6a..28e1473 100755
--- a/test/build.jam
+++ b/test/build.jam
@@ -55,6 +55,6 @@ test-suite predef :
     [ run info_as_objc.m : : : <test-info>always_show_run_output ]
     [ run version.cpp ]
     [ run make.cpp ]
-    # [ compile macos_endian.c : [ predef-require "BOOST_OS_MACOS" : cpp ] ]
-    # [ compile macos_vs_bsd.c : [ predef-require "BOOST_OS_MACOS" : cpp ] ]
+    [ compile macos_endian.c : [ predef-require "BOOST_OS_MACOS" : cpp ] ]
+    [ compile macos_vs_bsd.c : [ predef-require "BOOST_OS_MACOS" : cpp ] ]
     ;