diff --git a/src/protections/FirstMessageIsImage.ts b/src/protections/FirstMessageIsImage.ts
index 65922dde..1b7ddd93 100644
--- a/src/protections/FirstMessageIsImage.ts
+++ b/src/protections/FirstMessageIsImage.ts
@@ -82,7 +82,10 @@ export class FirstMessageIsImageProtection extends AbstractProtection implements
         const roomID = room.toRoomIDOrAlias();
         if (!this.justJoined[roomID]) this.justJoined[roomID] = [];
         if (Value.Check(RoomMessage, event)) {
-            const msgtype = event.content?.['msgtype'] || 'm.text';
+            if (!('msgtype' in event.content)) {
+                return Ok(undefined);
+            }
+            const msgtype = event.content['msgtype'] || 'm.text';
             const formattedBody = event.content !== undefined && 'formatted_body' in event.content ? event.content?.['formatted_body'] || '' : '';
             const isMedia = msgtype === 'm.image' || msgtype === 'm.video' || formattedBody.toLowerCase().includes('<img');
             if (isMedia && this.justJoined[roomID].includes(event['sender'])) {
diff --git a/src/protections/MessageIsMedia.ts b/src/protections/MessageIsMedia.ts
index d7627d95..580437fa 100644
--- a/src/protections/MessageIsMedia.ts
+++ b/src/protections/MessageIsMedia.ts
@@ -64,6 +64,9 @@ export class MessageIsMediaProtection extends AbstractProtection implements Prot
 
     public async handleTimelineEvent(room: MatrixRoomID, event: RoomEvent): Promise<ActionResult<void>> {
         if (Value.Check(RoomMessage, event)) {
+            if (!('msgtype' in event.content)) {
+                return Ok(undefined);
+            }
             const msgtype = event.content?.['msgtype'] || 'm.text';
             const formattedBody = event.content !== undefined && 'formatted_body' in event.content ? event.content?.['formatted_body'] || '' : '';
             const isMedia = msgtype === 'm.image' || msgtype === 'm.video' || formattedBody.toLowerCase().includes('<img');
diff --git a/src/protections/MessageIsVoice.ts b/src/protections/MessageIsVoice.ts
index 30abdfee..9a87c8dd 100644
--- a/src/protections/MessageIsVoice.ts
+++ b/src/protections/MessageIsVoice.ts
@@ -63,7 +63,7 @@ export class MessageIsVoiceProtection extends AbstractProtection implements Prot
     public async handleTimelineEvent(room: MatrixRoomID, event: RoomEvent): Promise<ActionResult<void>> {
         const roomID = room.toRoomIDOrAlias();
         if (Value.Check(RoomMessage, event)) {
-            if (event.content?.msgtype !== 'm.audio') {
+            if (!('msgtype' in event.content) || event.content?.msgtype !== 'm.audio') {
                 return Ok(undefined);
             }
             await this.draupnir.managementRoomOutput.logMessage(LogLevel.INFO, "MessageIsVoice", `Redacting event from ${event['sender']} for posting a voice message. ${Permalinks.forEvent(roomID, event['event_id'], [serverName(this.draupnir.clientUserID)])}`);
diff --git a/src/protections/WordList.ts b/src/protections/WordList.ts
index f3dbc778..3c20a0ce 100644
--- a/src/protections/WordList.ts
+++ b/src/protections/WordList.ts
@@ -88,6 +88,9 @@ export class WordListProtection extends AbstractProtection implements Protection
     public async handleTimelineEvent(room: MatrixRoomID, event: RoomEvent): Promise<ActionResult<void>> {
         const minsBeforeTrusting = this.draupnir.config.protections.wordlist.minutesBeforeTrusting;
         if (Value.Check(RoomMessage, event)) {
+            if (!('msgtype' in event.content)) {
+                return Ok(undefined);
+            }
             const message = (event.content !== undefined && 'formatted_body' in event.content && event.content?.['formatted_body']) || event.content?.['body'];
             if (!message === undefined) {
                 return Ok(undefined);