diff --git a/lib/msf/util/exe.rb b/lib/msf/util/exe.rb
index 2b9702dba6..02896b1651 100755
--- a/lib/msf/util/exe.rb
+++ b/lib/msf/util/exe.rb
@@ -1061,7 +1061,7 @@ def self.to_vba(framework,code,opts={})
 		web_xml.gsub!(/PAYLOAD/, jsp_name)
 
 		zip = Rex::Zip::Archive.new
-		zip.add_file('META-INF/', nil, meta_inf)
+		zip.add_file('META-INF/', '', meta_inf)
 		zip.add_file('META-INF/MANIFEST.MF', manifest)
 		zip.add_file('WEB-INF/', '')
 		zip.add_file('WEB-INF/web.xml', web_xml)
diff --git a/lib/rex/zip/archive.rb b/lib/rex/zip/archive.rb
index b8b068f75f..60a6a5f426 100644
--- a/lib/rex/zip/archive.rb
+++ b/lib/rex/zip/archive.rb
@@ -21,6 +21,10 @@ class Archive
 	#
 	# Create a new Entry and add it to the archive.
 	#
+	# If fdata is set, the file is populated with that data
+	# from the calling method. If fdata is nil, then the
+	# fs is checked for the file.
+	#
 	def add_file(fname, fdata=nil, xtra=nil, comment=nil)
 		if (not fdata)
 			begin
@@ -32,7 +36,10 @@ class Archive
 			ts = st.mtime
 			if (st.directory?)
 				attrs = EFA_ISDIR
-				fname += '/'
+				fdata = ''
+				unless fname[-1,1] == '/'
+					fname += '/'
+				end
 			else
 				f = File.open(fname, 'rb')
 				fdata = f.read(f.stat.size)
diff --git a/lib/rex/zip/entry.rb b/lib/rex/zip/entry.rb
index 5f5193360b..b063b6a72e 100644
--- a/lib/rex/zip/entry.rb
+++ b/lib/rex/zip/entry.rb
@@ -12,8 +12,8 @@ class Entry
 	attr_reader :data
 
 	def initialize(fname, data, compmeth, timestamp=nil, attrs=nil, xtra=nil, comment=nil)
-		@name = fname.unpack("C*").pack("C*") if fname
-		@data = data.unpack("C*").pack("C*") if data
+		@name = fname.unpack("C*").pack("C*")
+		@data = data.unpack("C*").pack("C*")
 		@xtra = xtra
 		@xtra ||= ''
 		@comment = comment