diff --git a/AppKit/Rakefile b/AppKit/Rakefile
index 614c8874a..9013ebb5a 100644
--- a/AppKit/Rakefile
+++ b/AppKit/Rakefile
@@ -25,7 +25,7 @@ ObjectiveJ::BundleTask.new(:AppKit) do |t|
     t.resources     = FileList['Resources/*']
     t.license       = ObjectiveJ::License::LGPL_v2_1
     t.build_path    = $BUILD_PATH
-    t.flag          = '-DDEBUG' if $CONFIGURATION == 'Debug'
+    t.flag          = '-DDEBUG -g' if $CONFIGURATION == 'Debug'
     t.flag          = '-O' if $CONFIGURATION == 'Release'
     t.platforms     = [ObjectiveJ::Platform::Browser, ObjectiveJ::Platform::Rhino]
     t.type          = ObjectiveJ::Bundle::Type::Framework
diff --git a/Foundation/Rakefile b/Foundation/Rakefile
index 8fa946784..49e34a654 100644
--- a/Foundation/Rakefile
+++ b/Foundation/Rakefile
@@ -22,7 +22,7 @@ ObjectiveJ::BundleTask.new(:Foundation) do |t|
     t.resources     = FileList['Resources/*'].to_a
     t.license       = ObjectiveJ::License::LGPL_v2_1
     t.build_path    = $BUILD_PATH
-    t.flag          = '-DDEBUG' if $CONFIGURATION == 'Debug'
+    t.flag          = '-DDEBUG -g' if $CONFIGURATION == 'Debug'
     t.flag          = '-O' if $CONFIGURATION == 'Release'
     t.type          = ObjectiveJ::Bundle::Type::Framework
 end