diff --git a/lib/Chat/Parser/SystemMessage.php b/lib/Chat/Parser/SystemMessage.php
index dd4aa7b1c72..a92b1954c80 100644
--- a/lib/Chat/Parser/SystemMessage.php
+++ b/lib/Chat/Parser/SystemMessage.php
@@ -497,6 +497,9 @@ public function parseDeletedMessage(Message $chatMessage): void {
 			throw new \OutOfBoundsException('Unknown subject');
 		}
 
+		// Overwrite reactions of deleted messages as you can not react to them anymore either
+		$chatMessage->getComment()->setReactions([]);
+
 		$chatMessage->setMessage($parsedMessage, $parsedParameters, $message);
 	}
 
diff --git a/tests/integration/features/reaction/react.feature b/tests/integration/features/reaction/react.feature
index 7dcfa52aaa1..f7c796bf103 100644
--- a/tests/integration/features/reaction/react.feature
+++ b/tests/integration/features/reaction/react.feature
@@ -111,3 +111,20 @@ Feature: reaction/react
       | users     | participant1 | participant1-displayname | 👍       |
       | users     | participant2 | participant2-displayname | 👎       |
       | users     | participant2 | participant2-displayname | 👍       |
+
+  Scenario: Delete message that was reacted to
+    Given user "participant1" creates room "room" (v4)
+      | roomType | 3 |
+      | roomName | room |
+    And user "participant1" adds user "participant2" to room "room" with 200 (v4)
+    And user "participant1" sends message "Message 1" to room "room" with 201
+    And user "participant2" react with "👍" on message "Message 1" to room "room" with 201
+      | actorType | actorId      | actorDisplayName         | reaction |
+      | users     | participant2 | participant2-displayname | 👍       |
+    And user "participant1" sees the following messages in room "room" with 200
+      | room | actorType | actorId      | actorDisplayName         | message   | messageParameters | reactions |
+      | room | users     | participant1 | participant1-displayname | Message 1 | []                | {"👍":1}  |
+    Then user "participant1" deletes message "Message 1" from room "room" with 200 (v1)
+    And user "participant1" sees the following messages in room "room" with 200
+      | room | actorType | actorId      | actorDisplayName         | message                | messageParameters                                                               | reactions |
+      | room | users     | participant1 | participant1-displayname | Message deleted by you | {"actor":{"type":"user","id":"participant1","name":"participant1-displayname"}} | []        |