diff --git a/src/main/java/duke/Duke.java b/src/main/java/duke/Duke.java
index e4824573c8..b58e2c007a 100644
--- a/src/main/java/duke/Duke.java
+++ b/src/main/java/duke/Duke.java
@@ -71,10 +71,13 @@ public static void main(String[] args) {
             case DELETE_COMMAND:
                 try {
                     deleteTask(Integer.parseInt(split[1].trim()));
+                    updateTasksToFile(filePath, tasks);
                 } catch (ArrayIndexOutOfBoundsException e) {
                     displayEmptyDescriptionMessage(command);
                 } catch (NumberFormatException e) {
                     displayInvalidTaskNumberMessage();
+                } catch (IOException e) {
+                    displayIOExceptionMessage(e);
                 } catch (ChatboxException e) {
                     displayInvalidTaskNumberMessage();
                 }