diff --git a/src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementFormView.tsx b/src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementFormView.tsx
index 0abf5f997a..c21e06e633 100644
--- a/src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementFormView.tsx
+++ b/src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementFormView.tsx
@@ -71,7 +71,7 @@ interface ReimbursementRequestFormViewProps {
   reimbursementProducts: ReimbursementProductFormArgs[];
   receiptPrepend: (args: ReimbursementReceiptUploadArgs) => void;
   receiptRemove: (index: number) => void;
-  reimbursementProductAppend: (args: ReimbursementProductFormArgs) => void;
+  reimbursementProductPrepend: (args: ReimbursementProductFormArgs) => void;
   reimbursementProductRemove: (index: number) => void;
   onSubmit: (data: ReimbursementRequestFormInput) => void;
   handleSubmit: UseFormHandleSubmit<ReimbursementRequestFormInput>;
@@ -98,7 +98,7 @@ const ReimbursementRequestFormView: React.FC<ReimbursementRequestFormViewProps>
   control,
   receiptPrepend,
   receiptRemove,
-  reimbursementProductAppend,
+  reimbursementProductPrepend,
   reimbursementProductRemove,
   onSubmit,
   handleSubmit,
@@ -900,7 +900,7 @@ const ReimbursementRequestFormView: React.FC<ReimbursementRequestFormViewProps>
             <ReimbursementProductTable
               errors={errors}
               reimbursementProducts={reimbursementProducts}
-              appendProduct={reimbursementProductAppend}
+              prependProduct={reimbursementProductPrepend}
               removeProduct={reimbursementProductRemove}
               projectAutocompleteOptions={projectAutocompleteOptions}
               watch={watch}
diff --git a/src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementProductTable.tsx b/src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementProductTable.tsx
index 0a65ff2ca0..6e73428f5d 100644
--- a/src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementProductTable.tsx
+++ b/src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementProductTable.tsx
@@ -45,7 +45,7 @@ import CreateMaterialModal from '../../ProjectDetailPage/ProjectViewContainer/BO
 interface ReimbursementProductTableProps {
   reimbursementProducts: ReimbursementProductFormArgs[];
   removeProduct: (index: number) => void;
-  appendProduct: (args: ReimbursementProductFormArgs) => void;
+  prependProduct: (args: ReimbursementProductFormArgs) => void;
   projectAutocompleteOptions: {
     label: string;
     id: string;
@@ -145,7 +145,7 @@ const MaterialAutocomplete: React.FC<{
 const ReimbursementProductTable: React.FC<ReimbursementProductTableProps> = ({
   reimbursementProducts,
   removeProduct,
-  appendProduct,
+  prependProduct,
   projectAutocompleteOptions,
   control,
   errors,
@@ -403,7 +403,7 @@ const ReimbursementProductTable: React.FC<ReimbursementProductTableProps> = ({
                     options={projectAutocompleteOptions}
                     onChange={(_e, value) => {
                       if (value) {
-                        appendProduct({
+                        prependProduct({
                           reason: validateWBS(value.id),
                           name: '',
                           cost: 0,
@@ -428,7 +428,7 @@ const ReimbursementProductTable: React.FC<ReimbursementProductTableProps> = ({
                     getOptionLabel={(option) => formatReasonName(option.name)}
                     onChange={(_e, value) => {
                       if (value) {
-                        appendProduct({
+                        prependProduct({
                           reason: value,
                           name: '',
                           cost: 0,
@@ -834,7 +834,7 @@ const ReimbursementProductTable: React.FC<ReimbursementProductTableProps> = ({
                       onClick={(e) => {
                         const existingProducts = uniqueWbsElementsWithProducts.get(key);
                         if (existingProducts && existingProducts.length > 0) {
-                          appendProduct({
+                          prependProduct({
                             reason: existingProducts[0].reason,
                             name: '',
                             cost: 0,
diff --git a/src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementRequestForm.tsx b/src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementRequestForm.tsx
index f6e0dfa229..95c8c82e0a 100644
--- a/src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementRequestForm.tsx
+++ b/src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementRequestForm.tsx
@@ -180,7 +180,7 @@ const ReimbursementRequestForm: React.FC<ReimbursementRequestFormProps> = ({
   });
   const {
     fields: reimbursementProducts,
-    append: reimbursementProductAppend,
+    prepend: reimbursementProductPrepend,
     remove: reimbursementProductRemove
   } = useFieldArray({
     control,
@@ -356,7 +356,7 @@ const ReimbursementRequestForm: React.FC<ReimbursementRequestFormProps> = ({
       reimbursementProducts={reimbursementProducts}
       receiptPrepend={receiptPrepend}
       receiptRemove={receiptRemove}
-      reimbursementProductAppend={reimbursementProductAppend}
+      reimbursementProductPrepend={reimbursementProductPrepend}
       reimbursementProductRemove={reimbursementProductRemove}
       onSubmit={onSubmitWrapper}
       handleSubmit={handleSubmit}