diff --git a/changelog/unreleased/pr-27635.toml b/changelog/unreleased/pr-27635.toml
new file mode 100644
index 000000000000..e0e795d4c6ef
--- /dev/null
+++ b/changelog/unreleased/pr-27635.toml
@@ -0,0 +1,4 @@
+type = "fixed"
+message = "Fix Collector onboarding source status section for the macOS Unified Logging source on unsupported platforms."
+
+pulls = ["27635"]
diff --git a/graylog2-web-interface/src/components/collectors/overview/onboarding/SourceStatusSection.test.tsx b/graylog2-web-interface/src/components/collectors/overview/onboarding/SourceStatusSection.test.tsx
index 589693701790..0d22a72cad30 100644
--- a/graylog2-web-interface/src/components/collectors/overview/onboarding/SourceStatusSection.test.tsx
+++ b/graylog2-web-interface/src/components/collectors/overview/onboarding/SourceStatusSection.test.tsx
@@ -98,13 +98,14 @@ describe('SourceStatusSection', () => {
           source({ id: 's1', type: 'journald', name: 'System Journal' }),
           source({ id: 's2', type: 'windows_event_log', name: 'Windows Event Log' }),
           source({ id: 's3', type: 'file', name: 'Syslog' }),
+          source({ id: 's4', type: 'macos_unified_logging', name: 'macOS Unified Logging' }),
         ]}
         receiving
       />,
     );
 
-    // journald cannot run on Windows, the event log can, and a plain file source runs everywhere.
-    expect(screen.getByText('Not applicable on Windows')).toBeInTheDocument();
+    // journald and macos_unified_logging cannot run on Windows, the event log can, and a plain file source runs everywhere.
+    expect(screen.getAllByText('Not applicable on Windows')).toHaveLength(2);
     expect(screen.getAllByText('Receiving')).toHaveLength(2);
   });
 
diff --git a/graylog2-web-interface/src/components/collectors/overview/onboarding/SourceStatusSection.tsx b/graylog2-web-interface/src/components/collectors/overview/onboarding/SourceStatusSection.tsx
index 71e4bff20454..0f1b0183539f 100644
--- a/graylog2-web-interface/src/components/collectors/overview/onboarding/SourceStatusSection.tsx
+++ b/graylog2-web-interface/src/components/collectors/overview/onboarding/SourceStatusSection.tsx
@@ -112,6 +112,7 @@ const Footer = styled.div(
 const SOURCE_PLATFORM: Partial<Record<SourceType, string>> = {
   journald: 'linux',
   windows_event_log: 'windows',
+  macos_unified_logging: 'darwin',
 };
 
 /**