diff --git a/changes/1552-PrettyWood.md b/changes/1552-PrettyWood.md
new file mode 100644
index 0000000000..e8427696a6
--- /dev/null
+++ b/changes/1552-PrettyWood.md
@@ -0,0 +1 @@
+Call `__modify_schema__` only for the field schema
diff --git a/pydantic/schema.py b/pydantic/schema.py
index 3ca516a906..f4dfaeef89 100644
--- a/pydantic/schema.py
+++ b/pydantic/schema.py
@@ -239,7 +239,7 @@ def get_field_schema_validations(field: ModelField) -> Dict[str, Any]:
         f_schema['const'] = field.default
     if field.field_info.extra:
         f_schema.update(field.field_info.extra)
-    modify_schema = getattr(field.type_, '__modify_schema__', None)
+    modify_schema = getattr(field.outer_type_, '__modify_schema__', None)
     if modify_schema:
         modify_schema(f_schema)
     return f_schema
diff --git a/tests/test_schema.py b/tests/test_schema.py
index ce447d5ec7..50708adeed 100644
--- a/tests/test_schema.py
+++ b/tests/test_schema.py
@@ -1822,6 +1822,7 @@ def __modify_schema__(cls, schema):
     class Model(BaseModel):
         path1: Path
         path2: MyPath
+        path3: List[MyPath]
 
     assert Model.schema() == {
         'title': 'Model',
@@ -1829,8 +1830,9 @@ class Model(BaseModel):
         'properties': {
             'path1': {'title': 'Path1', 'type': 'string', 'format': 'path'},
             'path2': {'title': 'Path2', 'type': 'string', 'format': 'path', 'foobar': 123},
+            'path3': {'title': 'Path3', 'type': 'array', 'items': {'type': 'string', 'format': 'path', 'foobar': 123}},
         },
-        'required': ['path1', 'path2'],
+        'required': ['path1', 'path2', 'path3'],
     }