diff --git a/Tools/CISupport/ews-build/steps.py b/Tools/CISupport/ews-build/steps.py
index fad205f..d0aba18 100644
--- a/Tools/CISupport/ews-build/steps.py
+++ b/Tools/CISupport/ews-build/steps.py
@@ -1496,6 +1496,8 @@
             ]
         if self.triggers:
             property_names.append('triggers')
+        if self.include_revision and pull_request:
+            properties_to_pass['ews_revision'] = properties.Property('got_revision')
 
         properties_to_pass = {prop: properties.Property(prop) for prop in property_names}
         properties_to_pass['retry_count'] = properties.Property('retry_count', default=0)
diff --git a/Tools/ChangeLog b/Tools/ChangeLog
index b72bf6d..b506c4e 100644
--- a/Tools/ChangeLog
+++ b/Tools/ChangeLog
@@ -1,3 +1,14 @@
+2022-01-25  Jonathan Bedard  <jbedard@apple.com>
+
+        [EWS] Support pull requests in Trigger (Follow-up fix)
+        https://bugs.webkit.org/show_bug.cgi?id=235545
+        <rdar://problem/87992990>
+
+        Unreviewed follow-up fix.
+
+        * CISupport/ews-build/steps.py:
+        (Trigger.propertiesToPassToTriggers): Pass ews_revision for patch workflows.
+
 2022-01-24  Jonathan Bedard  <jbedard@apple.com>
 
         [EWS] Support pull requests in Trigger