diff --git a/app/models/print_job_wrapper.rb b/app/models/print_job_wrapper.rb
index dc21de2..833e055 100644
--- a/app/models/print_job_wrapper.rb
+++ b/app/models/print_job_wrapper.rb
@@ -42,7 +42,11 @@ def printer
   end
 
   def label_template
-    LabelTemplate.find_by(name: label_template_name)
+    lt = LabelTemplate.find_by(name: label_template_name)
+    if lt.nil?
+      errors.add(:label_template_name, 'does not exist')
+    end
+    lt
   end
 
   def copies=(copies)
diff --git a/spec/models/print_job_wrapper_spec.rb b/spec/models/print_job_wrapper_spec.rb
index fae7cc7..fe4ce84 100644
--- a/spec/models/print_job_wrapper_spec.rb
+++ b/spec/models/print_job_wrapper_spec.rb
@@ -91,6 +91,12 @@
         expect(print_job_wrapper).to be_valid
         expect(print_job_wrapper.print).to be_truthy
       end
+
+      it 'raises a StandardError with a 422 status code if label_template validation fails' do
+        print_job_wrapper = PrintJobWrapper.new(attributes.except(:label_template_name))
+        expect(print_job_wrapper).to_not be_valid
+        expect(print_job_wrapper.print).to be_falsy
+      end
     end
   end