diff --git a/.github/workflows/link-check.yml b/.github/workflows/link-check.yml
index ddd44d0f..497d5dfb 100644
--- a/.github/workflows/link-check.yml
+++ b/.github/workflows/link-check.yml
@@ -35,7 +35,7 @@ jobs:
           # Exclude all links in the "Material" directory.
           args: >
             .
-            --exclude "^https://jira\.hl7\.org,^https://test.krankenhaus.de,http://hl7.org/fhir/StructureDefinition/condition-related"
+            --exclude "^https://jira\.hl7\.org,^https://test.krankenhaus.de,^http://hl7.org/fhir/StructureDefinition/condition-related"
             --exclude-path ImplementationGuide/style
             --exclude-path Material