diff --git a/osxphotos/photoinfo.py b/osxphotos/photoinfo.py
index 61ef0a57..4dca2604 100644
--- a/osxphotos/photoinfo.py
+++ b/osxphotos/photoinfo.py
@@ -614,10 +614,17 @@ class PhotoInfo:
             exif["Title"] = self.title
 
         if self.keywords:
-            exif["TagsList"] = exif["Keywords"] = self.keywords
+            exif["TagsList"] = exif["Keywords"] = list(self.keywords)
+            # Photos puts both keywords and persons in Subject when using "Export IPTC as XMP"
+            exif["Subject"] = list(self.keywords)
 
         if self.persons:
             exif["PersonInImage"] = self.persons
+            # Photos puts both keywords and persons in Subject when using "Export IPTC as XMP"
+            if "Subject" in exif:
+                exif["Subject"].extend(self.persons)
+            else:
+                exif["Subject"] = self.persons
 
         # if self.favorite():
         #     exif["Rating"] = 5
diff --git a/tests/test_export_catalina_10_15_1.py b/tests/test_export_catalina_10_15_1.py
index 988d9a3d..5ab9ed13 100644
--- a/tests/test_export_catalina_10_15_1.py
+++ b/tests/test_export_catalina_10_15_1.py
@@ -451,6 +451,7 @@ def test_exiftool_json_sidecar():
     "Title": "St. James\'s Park", 
     "TagsList": ["London 2018", "St. James\'s Park", "England", "United Kingdom", "UK", "London"], 
     "Keywords": ["London 2018", "St. James\'s Park", "England", "United Kingdom", "UK", "London"], 
+    "Subject": ["London 2018", "St. James\'s Park", "England", "United Kingdom", "UK", "London"], 
     "GPSLatitude": "51 deg 30\' 12.86\\" N", 
     "GPSLongitude": "0 deg 7\' 54.50\\" W", 
     "GPSPosition": "51 deg 30\' 12.86\\" N, 0 deg 7\' 54.50\\" W", 
diff --git a/tests/test_export_mojave_10_14_6.py b/tests/test_export_mojave_10_14_6.py
index 9f41b657..40ffc616 100644
--- a/tests/test_export_mojave_10_14_6.py
+++ b/tests/test_export_mojave_10_14_6.py
@@ -393,6 +393,7 @@ def test_exiftool_json_sidecar():
     "Title": "St. James\'s Park", 
     "TagsList": ["London 2018", "St. James\'s Park", "England", "United Kingdom", "UK", "London"], 
     "Keywords": ["London 2018", "St. James\'s Park", "England", "United Kingdom", "UK", "London"], 
+    "Subject": ["London 2018", "St. James\'s Park", "England", "United Kingdom", "UK", "London"], 
     "GPSLatitude": "51 deg 30\' 12.86\\" N", 
     "GPSLongitude": "0 deg 7\' 54.50\\" W", 
     "GPSPosition": "51 deg 30\' 12.86\\" N, 0 deg 7\' 54.50\\" W",