diff --git a/.changeset/alias-distinct-id-in-properties.md b/.changeset/alias-distinct-id-in-properties.md
new file mode 100644
index 000000000..9d864f69c
--- /dev/null
+++ b/.changeset/alias-distinct-id-in-properties.md
@@ -0,0 +1,5 @@
+---
+"posthog": patch
+---
+
+Include `distinct_id` in `$create_alias` event properties (stateless API included) for parity with other SDKs.
diff --git a/posthog/src/main/java/com/posthog/PostHog.kt b/posthog/src/main/java/com/posthog/PostHog.kt
index b74829757..63b0912e7 100644
--- a/posthog/src/main/java/com/posthog/PostHog.kt
+++ b/posthog/src/main/java/com/posthog/PostHog.kt
@@ -1319,6 +1319,7 @@ public class PostHog private constructor(
 
         val props = mutableMapOf<String, Any>()
         props["alias"] = alias
+        props["distinct_id"] = distinctId
 
         capture(PostHogEventName.CREATE_ALIAS.event, properties = props)
     }
diff --git a/posthog/src/main/java/com/posthog/PostHogStateless.kt b/posthog/src/main/java/com/posthog/PostHogStateless.kt
index 4eb589176..abd334d98 100644
--- a/posthog/src/main/java/com/posthog/PostHogStateless.kt
+++ b/posthog/src/main/java/com/posthog/PostHogStateless.kt
@@ -378,6 +378,7 @@ public open class PostHogStateless protected constructor(
 
         val props = mutableMapOf<String, Any>()
         props["alias"] = alias
+        props["distinct_id"] = distinctId
 
         captureStateless("\$create_alias", distinctId, properties = props)
     }
diff --git a/posthog/src/test/java/com/posthog/PostHogStatelessTest.kt b/posthog/src/test/java/com/posthog/PostHogStatelessTest.kt
index 6a58aa54c..11d5018a8 100644
--- a/posthog/src/test/java/com/posthog/PostHogStatelessTest.kt
+++ b/posthog/src/test/java/com/posthog/PostHogStatelessTest.kt
@@ -842,6 +842,7 @@ internal class PostHogStatelessTest {
         assertEquals("\$create_alias", event.event)
         assertEquals("user123", event.distinctId)
         assertEquals("alias456", event.properties!!["alias"])
+        assertEquals("user123", event.properties!!["distinct_id"])
     }
 
     // Group Management Tests
diff --git a/posthog/src/test/java/com/posthog/PostHogTest.kt b/posthog/src/test/java/com/posthog/PostHogTest.kt
index 90f52559e..b4124b2de 100644
--- a/posthog/src/test/java/com/posthog/PostHogTest.kt
+++ b/posthog/src/test/java/com/posthog/PostHogTest.kt
@@ -2023,6 +2023,7 @@ internal class PostHogTest {
         assertEquals("\$create_alias", theEvent.event)
         assertNotNull(theEvent.distinctId)
         assertEquals("theAlias", theEvent.properties!!["alias"] as String)
+        assertEquals(theEvent.distinctId, theEvent.properties!!["distinct_id"] as String)
 
         sut.close()
     }