diff --git a/sentry_sdk/utils.py b/sentry_sdk/utils.py
index 5531545e94..5b4e97a455 100644
--- a/sentry_sdk/utils.py
+++ b/sentry_sdk/utils.py
@@ -552,7 +552,7 @@ def inner(obj):
 
     obj, meta = inner(obj)
     if meta is not None:
-        obj[""] = meta
+        obj["_meta"] = meta
     return obj
 
 
diff --git a/tests/integrations/django/test_basic.py b/tests/integrations/django/test_basic.py
index c83ddaca6f..5fe6fe0bdd 100644
--- a/tests/integrations/django/test_basic.py
+++ b/tests/integrations/django/test_basic.py
@@ -200,7 +200,10 @@ def test_request_body(sentry_init, client, capture_events):
 
     assert event["message"] == "hi"
     assert event["request"]["data"] == ""
-    assert event[""]["request"]["data"][""] == {"len": 6, "rem": [["!raw", "x", 0, 6]]}
+    assert event["_meta"]["request"]["data"][""] == {
+        "len": 6,
+        "rem": [["!raw", "x", 0, 6]],
+    }
 
     del events[:]
 
diff --git a/tests/integrations/flask/test_flask.py b/tests/integrations/flask/test_flask.py
index ec03f2a1ee..f730c61e7f 100644
--- a/tests/integrations/flask/test_flask.py
+++ b/tests/integrations/flask/test_flask.py
@@ -203,7 +203,7 @@ def index():
     assert response.status_code == 200
 
     event, = events
-    assert event[""]["request"]["data"]["foo"]["bar"] == {
+    assert event["_meta"]["request"]["data"]["foo"]["bar"] == {
         "": {"len": 2000, "rem": [["!limit", "x", 509, 512]]}
     }
     assert len(event["request"]["data"]["foo"]["bar"]) == 512
@@ -229,7 +229,7 @@ def index():
     assert response.status_code == 200
 
     event, = events
-    assert event[""]["request"]["data"]["foo"] == {
+    assert event["_meta"]["request"]["data"]["foo"] == {
         "": {"len": 2000, "rem": [["!limit", "x", 509, 512]]}
     }
     assert len(event["request"]["data"]["foo"]) == 512
@@ -259,7 +259,7 @@ def index():
     assert response.status_code == 200
 
     event, = events
-    assert event[""]["request"]["data"] == {
+    assert event["_meta"]["request"]["data"] == {
         "": {"len": 2000, "rem": [["!config", "x", 0, 2000]]}
     }
     assert not event["request"]["data"]
@@ -285,12 +285,12 @@ def index():
     assert response.status_code == 200
 
     event, = events
-    assert event[""]["request"]["data"]["foo"] == {
+    assert event["_meta"]["request"]["data"]["foo"] == {
         "": {"len": 2000, "rem": [["!limit", "x", 509, 512]]}
     }
     assert len(event["request"]["data"]["foo"]) == 512
 
-    assert event[""]["request"]["data"]["file"] == {
+    assert event["_meta"]["request"]["data"]["file"] == {
         "": {"len": 0, "rem": [["!raw", "x", 0, 0]]}
     }
     assert not event["request"]["data"]["file"]
diff --git a/tests/test_event.py b/tests/test_event.py
index af50e487b0..d95ae34fb0 100644
--- a/tests/test_event.py
+++ b/tests/test_event.py
@@ -6,7 +6,7 @@ def test_flatten_metadata():
     assert flatten_metadata({"foo": ["bar"]}) == {"foo": [u"bar"]}
     assert flatten_metadata({"foo": [AnnotatedValue("bar", u"meta")]}) == {
         "foo": [u"bar"],
-        "": {"foo": {"0": {"": u"meta"}}},
+        "_meta": {"foo": {"0": {"": u"meta"}}},
     }