diff --git a/services/web/frontend/js/features/source-editor/extensions/spelling/line-tracker.ts b/services/web/frontend/js/features/source-editor/extensions/spelling/line-tracker.ts
index 02711cf827..b7774faf89 100644
--- a/services/web/frontend/js/features/source-editor/extensions/spelling/line-tracker.ts
+++ b/services/web/frontend/js/features/source-editor/extensions/spelling/line-tracker.ts
@@ -113,18 +113,14 @@ export class LineTracker {
                */
 
               const changes = new Array(insertedText.lines).fill(true)
-              try {
-                this._lines.splice(startLine - 1 + lineShift, 1, ...changes)
-                lineShift += changes.length - 1
-              } catch (error) {
-                if (error instanceof RangeError) {
-                  throw new OError(error.message).withInfo({
-                    changesSize: changes.length,
-                  })
-                }
+              const index = startLine - 1 + lineShift
 
-                throw error
-              }
+              this._lines = [
+                ...this._lines.slice(0, index),
+                ...changes,
+                ...this._lines.slice(index + 1),
+              ]
+              lineShift += changes.length - 1
             }
           }
         )