diff --git a/spec/features/tickets_spec.rb b/spec/features/tickets_spec.rb
index 3a40f537..ab872196 100644
--- a/spec/features/tickets_spec.rb
+++ b/spec/features/tickets_spec.rb
@@ -35,7 +35,7 @@ feature Ticket do
       fill_in 'ticket_price', with: '-1'
 
       click_button 'Create Ticket'
-      expect(flash).to eq("Creating Ticket failed: Title can't be blank. Price cents must be greater than 0.")
+      expect(flash).to eq("Creating Ticket failed: Title can't be blank. Price cents must be greater than or equal to 0.")
       expect(Ticket.count).to eq(0)
     end
 
@@ -72,7 +72,7 @@ feature Ticket do
         # It's necessary to multiply by 100 because the price is in cents
         expect(ticket.price).to eq(Money.new(100 * 100, 'USD'))
         expect(ticket.title).to eq('Business Ticket')
-        expect(flash).to eq("Ticket update failed: Title can't be blank. Price cents must be greater than 0.")
+        expect(flash).to eq("Ticket update failed: Title can't be blank. Price cents must be greater than or equal to 0.")
         expect(Ticket.count).to eq(1)
       end
 
diff --git a/spec/models/ticket_spec.rb b/spec/models/ticket_spec.rb
index 631ca59a..70aa80d1 100644
--- a/spec/models/ticket_spec.rb
+++ b/spec/models/ticket_spec.rb
@@ -22,14 +22,14 @@ describe Ticket do
       should validate_presence_of(:price_currency)
     end
 
-    it 'is not valid with a price_cents equals zero' do
-      should_not allow_value(0).for(:price_cents)
-    end
-
     it 'is not valid with a price_cents smaller than zero' do
       should_not allow_value(-1).for(:price_cents)
     end
 
+    it 'is valid with a price_cents equals zero' do
+      should allow_value(0).for(:price_cents)
+    end
+
     it 'is valid with a price_cents greater than zero' do
       should allow_value(1).for(:price_cents)
     end