diff --git a/spec/support/common_actions/verifications.rb b/spec/support/common_actions/verifications.rb
index 1023a69b4..72723dcfa 100644
--- a/spec/support/common_actions/verifications.rb
+++ b/spec/support/common_actions/verifications.rb
@@ -47,6 +47,10 @@ module Verifications
   def fill_in_ckeditor(text, params = {})
     locator = find("label", text: text)[:for]
 
+    until page.execute_script("return CKEDITOR.instances.#{locator}.status === 'ready';") do
+      sleep 0.01
+    end
+
     # Fill the editor content
     page.execute_script <<-SCRIPT
         var ckeditor = CKEDITOR.instances.#{locator}
diff --git a/spec/system/ckeditor_spec.rb b/spec/system/ckeditor_spec.rb
index c1ffcaa91..ea72ca4ca 100644
--- a/spec/system/ckeditor_spec.rb
+++ b/spec/system/ckeditor_spec.rb
@@ -19,6 +19,7 @@ describe "CKEditor" do
     login_as(create(:administrator).user)
 
     visit new_admin_site_customization_page_path
+    fill_in_ckeditor "Content", with: "Filling in to make sure CKEditor is loaded"
     find(".cke_button__image").click
 
     expect(page).to have_css(".cke_dialog")
@@ -41,8 +42,9 @@ describe "CKEditor" do
 
   scenario "cannot upload attachments through link tab", :js do
     login_as(create(:administrator).user)
-    visit new_admin_site_customization_page_path
 
+    visit new_admin_site_customization_page_path
+    fill_in_ckeditor "Content", with: "Filling in to make sure CKEditor is loaded"
     find(".cke_button__link").click
 
     expect(page).to have_css(".cke_dialog")