diff --git a/test/unit/ts_beef.rb b/test/unit/ts_beef.rb
index bcc1b9467..2d3d259c9 100644
--- a/test/unit/ts_beef.rb
+++ b/test/unit/ts_beef.rb
@@ -1,4 +1,11 @@
-require 'test/unit/ui/console/testrunner'
+
+begin
+  require 'test/unit/ui/console/testrunner'
+rescue LoadError
+  puts "The following instruction failed: require 'test/unit/ui/console/testrunner'"
+  puts "Please run: sudo gem install test-unit-full"
+  exit
+end
 
 require './filter/tc_base'
 require './filter/tc_command'