diff --git a/Gemfile.lock b/Gemfile.lock
index ef29911..caeebd2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    enumbler (0.6.3)
+    enumbler (0.6.4)
       activerecord (>= 5.2.3, < 6.1)
       activesupport (>= 5.2.3, < 6.1)
 
diff --git a/lib/enumbler/enabler.rb b/lib/enumbler/enabler.rb
index 9f77fb0..285be49 100644
--- a/lib/enumbler/enabler.rb
+++ b/lib/enumbler/enabler.rb
@@ -58,12 +58,14 @@ module ClassMethods
       # @param **attributes [Hash] optional: additional attributes and values that
       #   will be saved to the database for this enumble record
       def enumble(enum, id, label: nil, **attributes)
+        raise_error_if_model_does_not_support_attributes(attributes)
+
+        id = validate_id_is_numeric(enum, id)
+
         @enumbles ||= Enumbler::Collection.new
         @enumbled_model = self
         @enumbler_label_column_name ||= :label
 
-        raise_error_if_model_does_not_support_attributes(attributes)
-
         enumble = Enumble.new(enum, id, label: label, label_column_name: @enumbler_label_column_name, **attributes)
 
         if @enumbles.include?(enumble)
@@ -313,6 +315,15 @@ def define_dynamic_methods_and_constants_for_enumbled_model(enumble)
         end
       end
 
+      # I accidentally forgot to provide an id one time and it was confusing as
+      # the last argument became the hash of options.  This should help.
+      def validate_id_is_numeric(enum, id)
+        Integer(id)
+      rescue ArgumentError, TypeError
+        raise Enumbler::Error,
+          "You must provide a numeric primary key, like: `enumble :#{enum}, 1 `"
+      end
+
       def raise_error_if_model_does_not_support_attributes(attributes)
         return if attributes.blank?
 
diff --git a/lib/enumbler/version.rb b/lib/enumbler/version.rb
index cdb0300..558772f 100644
--- a/lib/enumbler/version.rb
+++ b/lib/enumbler/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Enumbler
-  VERSION = '0.6.3'
+  VERSION = '0.6.4'
 end
diff --git a/spec/enumbler_spec.rb b/spec/enumbler_spec.rb
index 1e3b96c..704eb75 100644
--- a/spec/enumbler_spec.rb
+++ b/spec/enumbler_spec.rb
@@ -81,6 +81,9 @@ class ModelWithoutTable < ApplicationRecord
     it 'raises an error when the same enumble is added twice' do
       expect { Color.enumble(:white, 1) }.to raise_error(Enumbler::Error, /twice/)
     end
+    it 'raises an error when no numeric id is passed as the second argument' do
+      expect { Color.enumble(:white, label: 'error') }.to raise_error(Enumbler::Error, /numeric/)
+    end
     it 'creates the constants' do
       expect(Color::BLACK).to eq 1
       expect(Color::WHITE).to eq 2