diff --git a/app/models/widget/card.rb b/app/models/widget/card.rb
index 01b00a1c1..835defe6c 100644
--- a/app/models/widget/card.rb
+++ b/app/models/widget/card.rb
@@ -9,7 +9,7 @@ class Widget::Card < ApplicationRecord
   include Globalizable
 
   validates_translation :title, presence: true
-  validates :link_url, presence: true, if: -> { !header? }
+  validates :link_url, presence: true, if: -> { !header? || link_text.present? }
 
   def self.header
     where(header: true)
diff --git a/spec/models/widget/card_spec.rb b/spec/models/widget/card_spec.rb
index c031ed615..bb530cd50 100644
--- a/spec/models/widget/card_spec.rb
+++ b/spec/models/widget/card_spec.rb
@@ -25,6 +25,30 @@ describe Widget::Card do
         expect(card).not_to be_valid
       end
     end
+
+    context "header cards" do
+      it "is valid with no link_url and no link_text" do
+        header = build(:widget_card, :header, link_text: nil, link_url: nil)
+
+        expect(header).to be_valid
+      end
+
+      it "is not valid with link_text and no link_url" do
+        header = build(:widget_card, :header, link_text: "link text", link_url: nil)
+
+        expect(header).not_to be_valid
+        expect(header.errors.count).to be 1
+        expect(header.errors[:link_url].count).to be 1
+        expect(header.errors[:link_url].first).to eq "can't be blank"
+      end
+
+      it "is valid if link_text and link_url are both provided" do
+        header = build(:widget_card, :header, link_text: "Text link",
+                                              link_url: "https://consulproject.org")
+
+        expect(header).to be_valid
+      end
+    end
   end
 
   describe "#header" do