diff --git a/plugins/communicators/ssh/communicator.rb b/plugins/communicators/ssh/communicator.rb
index 5c9cd1e9eea..cd9e58df612 100644
--- a/plugins/communicators/ssh/communicator.rb
+++ b/plugins/communicators/ssh/communicator.rb
@@ -871,7 +871,7 @@ def supported_key_types
         end
 
         # Convert the options into a Hash for easy access
-        opts = Hash[*list.split("\n").map{|line| line.split(" ", 2)}.flatten]
+        opts = Hash[*list.split("\n").filter_map{|line| line.split(" ", 2) if line.include? " "}.flatten]
 
         # Define the option names to check for in preferred order
         # NOTE: pubkeyacceptedkeytypes has been renamed to pubkeyacceptedalgorithms