lib/teaspoon/driver/phantomjs.rb in teaspoon-1.1.3 vs lib/teaspoon/driver/phantomjs.rb in teaspoon-1.1.4

@@ -32,10 +32,10 @@
       protected
 
       def run(*args, &block)
         IO.popen([executable, *args].join(" ")) { |io| io.each(&block) }
 
-        unless $?.success?
+        unless $?.nil? || $?.success?
           raise Teaspoon::DependencyError.new("Failed to use phantomjs, which exited with status code: #{$?.exitstatus}")
         end
       end
 
       def driver_options(url)