diff --git a/lib/salus/cli.rb b/lib/salus/cli.rb
index bf5d0810..533b27e6 100644
--- a/lib/salus/cli.rb
+++ b/lib/salus/cli.rb
@@ -48,5 +48,9 @@ def scan
         ignore_config_id: options[:ignore_config_id]
       )
     end
+
+    def self.exit_on_failure?
+      true
+    end
   end
 end
diff --git a/spec/lib/salus/cli_spec.rb b/spec/lib/salus/cli_spec.rb
new file mode 100644
index 00000000..6cc791f9
--- /dev/null
+++ b/spec/lib/salus/cli_spec.rb
@@ -0,0 +1,9 @@
+require_relative '../../spec_helper.rb'
+
+describe Salus::CLI do
+  it 'returns non-zero exit when invalid params are passed' do
+    expect { Salus::CLI.start(['foo bar']) }.to raise_error(SystemExit) do |error|
+      expect(error.status).to eq(1)
+    end
+  end
+end