diff --git a/common.jake b/common.jake
index 1aac31031..3607393e4 100644
--- a/common.jake
+++ b/common.jake
@@ -123,8 +123,8 @@ global.$BUILD_CJS_CAPPUCCINO_FRAMEWORKS = FILE.join($BUILD_CJS_CAPPUCCINO, "Fram
 
 global.CLEAN = require("jake/clean").CLEAN;
 global.CLOBBER = require("jake/clean").CLOBBER;
-global.CLEAN.push(global.$BUILD_DIR);
-global.CLOBBER.push(global.$BUILD_DIR);
+global.CLEAN.include(global.$BUILD_DIR);
+global.CLOBBER.include(global.$BUILD_DIR);
 
 global.$HOME_DIR        = FILE.absolute(FILE.dirname(module.path));
 global.$LICENSE_FILE    = FILE.absolute(FILE.join(FILE.dirname(module.path), 'LICENSE'));