bin/earthquake in earthquake-1.0.0 vs bin/earthquake in earthquake-1.0.1

@@ -31,9 +31,10 @@
   print "\e[0m"
 end
 
 require 'earthquake'
 if command
-  Earthquake.invoke(command, options)
+  result = Earthquake.invoke(command, options)
+  result.join if result.is_a?(Thread)
 else
   Earthquake.start(options)
 end