diff --git a/src/test/java/seedu/cafectrl/parser/ParserTest.java b/src/test/java/seedu/cafectrl/parser/ParserTest.java
index f286715e2d..98c5cfe44e 100644
--- a/src/test/java/seedu/cafectrl/parser/ParserTest.java
+++ b/src/test/java/seedu/cafectrl/parser/ParserTest.java
@@ -48,7 +48,7 @@ public void parseCommand_validListIngredientsCommand_successfulCommandParse() {
         Sales sales = new Sales();
         CurrentDate currentDate = new CurrentDate();
 
-        String userInput = "list_ingredients 1";
+        String userInput = "list_ingredients index/1";
         ParserUtil parserUtil = new Parser();
         Command result = parserUtil.parseCommand(menu, userInput, ui, pantry, sales, currentDate);
 
@@ -85,7 +85,7 @@ public void parseCommand_invalidListIngredientsIndex_returnsErrorMessage() {
         Pantry pantry = new Pantry(ui);
         Sales sales = new Sales();
         CurrentDate currentDate = new CurrentDate();
-        String userInput = "list_ingredients a";
+        String userInput = "list_ingredients index/a";
         ParserUtil parserUtil = new Parser();
         Command result = parserUtil.parseCommand(menu, userInput, ui, pantry, sales, currentDate);
 
@@ -103,7 +103,7 @@ public void parseCommand_listIngredientIndexOutOfBounds_returnsErrorMessage() {
         Pantry pantry = new Pantry(ui);
         Sales sales = new Sales();
         CurrentDate currentDate = new CurrentDate();
-        String userInput = "list_ingredients 1";
+        String userInput = "list_ingredients index/1";
         ParserUtil parserUtil = new Parser();
         Command result = parserUtil.parseCommand(menu, userInput, ui, pantry, sales, currentDate);