diff --git a/app/assets/stylesheets/govuk_publishing_components/components/_organisation-logo.scss b/app/assets/stylesheets/govuk_publishing_components/components/_organisation-logo.scss
index 607b564c86..30a6056e27 100644
--- a/app/assets/stylesheets/govuk_publishing_components/components/_organisation-logo.scss
+++ b/app/assets/stylesheets/govuk_publishing_components/components/_organisation-logo.scss
@@ -88,7 +88,7 @@
     @include govuk-link-style-inverse;
   }
 
-  .gem-c-organisation-logo__crest--eo {
+  .gem-c-organisation-logo__crest {
     filter: brightness(0) invert(1);
 
     &:focus {
diff --git a/app/views/govuk_publishing_components/components/docs/organisation_logo.yml b/app/views/govuk_publishing_components/components/docs/organisation_logo.yml
index 0b4bf4618b..f30c48ae06 100644
--- a/app/views/govuk_publishing_components/components/docs/organisation_logo.yml
+++ b/app/views/govuk_publishing_components/components/docs/organisation_logo.yml
@@ -75,7 +75,7 @@ examples:
         name: "Prime Minister's Office,<br>10 Downing Street"
         url: '/government/organisations/prime-ministers-office-10-downing-street'
         brand: 'prime-ministers-office-10-downing-street'
-        crest: 'no10'
+        crest: 'eo'
   office_of_the_advocate_general_for_scotland:
     data:
       organisation:
@@ -188,7 +188,7 @@ examples:
         name: "Prime Minister's Office,<br>10 Downing Street"
         url: '/government/organisations/prime-ministers-office-10-downing-street'
         brand: 'prime-ministers-office-10-downing-street'
-        crest: 'no10'
+        crest: 'eo'
       inverse: true
     context:
       dark_background: true
diff --git a/spec/components/organisation_logo_spec.rb b/spec/components/organisation_logo_spec.rb
index 0e360bcc2e..71ce64dfa7 100644
--- a/spec/components/organisation_logo_spec.rb
+++ b/spec/components/organisation_logo_spec.rb
@@ -76,4 +76,10 @@ def component_name
     render_component(organisation: { name: "Name", url: "/some-link" }, inverse: true)
     assert_select ".gem-c-organisation-logo.gem-c-organisation-logo--inverse"
   end
+
+  it "does not add the --inverse modifier when the inverse option is omitted" do
+    render_component(organisation: { name: "Name", url: "/some-link" })
+    assert_select ".gem-c-organisation-logo.gem-c-organisation-logo"
+    assert_select ".gem-c-organisation-logo.gem-c-organisation-logo--inverse", false
+  end
 end