diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0cf16f5420..f19f9f551e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Unreleased
 
 * Fix: set min sdk version of sentry-android-fragment to API 14 (#1608)
+* Fix: Ser/Deser of the UserFeedback from cached envelope (#1611)
 * Feat: Add request body extraction for Spring MVC integration (#1595)
 
 ## 5.1.0-beta.5
diff --git a/sentry/src/main/java/io/sentry/SentryEnvelopeItemHeaderAdapter.java b/sentry/src/main/java/io/sentry/SentryEnvelopeItemHeaderAdapter.java
index 89d1e28727..b19ab75ca1 100644
--- a/sentry/src/main/java/io/sentry/SentryEnvelopeItemHeaderAdapter.java
+++ b/sentry/src/main/java/io/sentry/SentryEnvelopeItemHeaderAdapter.java
@@ -70,9 +70,21 @@ public void write(JsonWriter writer, SentryEnvelopeItemHeader value) throws IOEx
           break;
         case "type":
           try {
-            final String nextString = StringUtils.capitalize(reader.nextString());
+            String nextString = reader.nextString();
+
             if (nextString != null) {
-              type = SentryItemType.valueOf(nextString);
+              // special case the String 'user_report since the enum is called UserFeedback
+              // instead of UserReport, this is gonna be fixed when we move away from reflection.
+              if (nextString.equalsIgnoreCase("user_report")) {
+                type = SentryItemType.UserFeedback;
+              } else {
+                final String capitalizedString = StringUtils.capitalize(nextString);
+
+                // NPE check because of uber:nullaway
+                if (capitalizedString != null) {
+                  type = SentryItemType.valueOf(capitalizedString);
+                }
+              }
             }
           } catch (IllegalArgumentException ignored) {
             // invalid type
diff --git a/sentry/src/test/java/io/sentry/SentryEnvelopeTest.kt b/sentry/src/test/java/io/sentry/SentryEnvelopeTest.kt
index 350286c0f1..9573e20574 100644
--- a/sentry/src/test/java/io/sentry/SentryEnvelopeTest.kt
+++ b/sentry/src/test/java/io/sentry/SentryEnvelopeTest.kt
@@ -14,10 +14,8 @@ class SentryEnvelopeTest {
 
     @Test
     fun `deserialize sample envelope with event and two attachments`() {
-        val envelopeReader = EnvelopeReader()
-        val testFile = this::class.java.classLoader.getResource("envelope-event-attachment.txt")
-        val stream = testFile!!.openStream()
-        val envelope = envelopeReader.read(stream)
+        val envelope = readEnvelope("envelope-event-attachment.txt")
+
         assertNotNull(envelope)
         assertEquals("9ec79c33ec9942ab8353589fcb2e04dc", envelope.header.eventId.toString())
         assertEquals(3, envelope.items.count())
@@ -137,4 +135,25 @@ abcdefghij""".toInputStream()
         assertEquals(10, secondItem.header.length)
         assertEquals(10, secondItem.data.size)
     }
+
+    @Test
+    fun `deserializes an user feedback`() {
+        val envelope = readEnvelope("envelope-feedback.txt")
+
+        assertNotNull(envelope)
+        assertEquals("bdd63725a2b84c1eabd761106e17d390", envelope.header.eventId.toString())
+        assertEquals(1, envelope.items.count())
+        val firstItem = envelope.items.elementAt(0)
+        assertEquals(SentryItemType.UserFeedback, firstItem.header.type)
+        assertEquals("application/json", firstItem.header.contentType)
+        assertEquals(103, firstItem.header.length)
+        assertEquals(103, firstItem.data.size)
+    }
+
+    private fun readEnvelope(fileName: String): SentryEnvelope? {
+        val envelopeReader = EnvelopeReader()
+        val testFile = this::class.java.classLoader.getResource(fileName)
+        val stream = testFile!!.openStream()
+        return envelopeReader.read(stream)
+    }
 }
diff --git a/sentry/src/test/resources/envelope-feedback.txt b/sentry/src/test/resources/envelope-feedback.txt
new file mode 100644
index 0000000000..2120266986
--- /dev/null
+++ b/sentry/src/test/resources/envelope-feedback.txt
@@ -0,0 +1,3 @@
+{"event_id":"bdd63725a2b84c1eabd761106e17d390","sdk":{"name":"sentry.dart.flutter","version":"6.0.0-beta.3","packages":[{"name":"pub:sentry","version":"6.0.0-beta.3"},{"name":"pub:sentry_flutter","version":"6.0.0-beta.3"}],"integrations":["isolateErrorIntegration","runZonedGuardedIntegration","widgetsFlutterBindingIntegration","flutterErrorIntegration","widgetsBindingIntegration","nativeSdkIntegration","loadAndroidImageListIntegration","loadReleaseIntegration"]}}
+{"content_type":"application/json","type":"user_report","length":103}
+{"event_id":"bdd63725a2b84c1eabd761106e17d390","name":"jonas","email":"a@b.com","comments":"bad stuff"}