diff --git a/AppKit/Jakefile b/AppKit/Jakefile
index 9836e39bf..fb989a80e 100644
--- a/AppKit/Jakefile
+++ b/AppKit/Jakefile
@@ -63,3 +63,4 @@ task ("Theme", [$BUILD_CJS_CAPPUCCINO_APPKIT], function()
 task ("build", ["AppKit", $BUILD_CJS_CAPPUCCINO_APPKIT, "Theme"]);
 
 CLOBBER.include($BUILD_CJS_CAPPUCCINO_APPKIT);
+CLOBBER.include(path.join(__dirname, "Build"));
diff --git a/Foundation/Jakefile b/Foundation/Jakefile
index 19ed1ed2c..097212738 100644
--- a/Foundation/Jakefile
+++ b/Foundation/Jakefile
@@ -70,3 +70,4 @@ filedir ($BUILD_CJS_FOUNDATION, ["Foundation"], function()
 task ("build", ["Foundation", $BUILD_CJS_FOUNDATION]);
 
 CLOBBER.include($BUILD_CJS_FOUNDATION);
+CLOBBER.include(path.join(__dirname, "Build"));