diff --git a/src/editor/model.js b/src/editor/model.js
index 85dd425b0e..c6f0c5529f 100644
--- a/src/editor/model.js
+++ b/src/editor/model.js
@@ -88,7 +88,8 @@ export default class EditorModel {
         }
         this._mergeAdjacentParts();
         const caretOffset = diff.at - removedOffsetDecrease + addedLen;
-        const newPosition = this._positionForOffset(caretOffset, true);
+        let newPosition = this._positionForOffset(caretOffset, true);
+        newPosition = newPosition.skipUneditableParts(this._parts);
         this._setActivePart(newPosition);
         this._updateCallback(newPosition);
     }
@@ -261,4 +262,13 @@ class DocumentPosition {
     get offset() {
         return this._offset;
     }
+
+    skipUneditableParts(parts) {
+        const part = parts[this.index];
+        if (part && !part.canEdit) {
+            return new DocumentPosition(this.index + 1, 0);
+        } else {
+            return this;
+        }
+    }
 }
diff --git a/src/editor/parts.js b/src/editor/parts.js
index a20b857fee..8ba18997a9 100644
--- a/src/editor/parts.js
+++ b/src/editor/parts.js
@@ -205,6 +205,14 @@ export class NewlinePart extends BasePart {
     get type() {
         return "newline";
     }
+
+    // this makes the cursor skip this part when it is inserted
+    // rather than trying to append to it, which is what we want.
+    // As a newline can also be only one character, it makes sense
+    // as it can only be one character long. This caused #9741.
+    get canEdit() {
+        return false;
+    }
 }
 
 export class RoomPillPart extends PillPart {