diff --git a/lib/msf/core/db.rb b/lib/msf/core/db.rb
index 41bbf91b1d..79c0f8d064 100644
--- a/lib/msf/core/db.rb
+++ b/lib/msf/core/db.rb
@@ -1676,7 +1676,7 @@ class DBManager
 	# Imports loot, tasks, and reports from an MSFX ZIP report.
 	# XXX: This function is stupidly long. It needs to be refactored.
 	def import_msfx_collateral(args={}, &block)
-		data = File.open(args[:filename], "r") {|f| f.read(f.stat.size)}
+		data = File.open(args[:filename], "rb") {|f| f.read(f.stat.size)}
 		wspace = args[:wspace] || args['wspace'] || workspace
 		bl = validate_ips(args[:blacklist]) ? args[:blacklist].split : []
 		basedir = args[:basedir] || args['basedir'] || File.join(Msf::Config.install_root, "data", "msfx")