diff --git a/src/accounting/static/js/journal-entry-editor.js b/src/accounting/static/js/journal-entry-editor.js
index 11df882..38d2661 100644
--- a/src/accounting/static/js/journal-entry-editor.js
+++ b/src/accounting/static/js/journal-entry-editor.js
@@ -220,7 +220,7 @@ class JournalEntryEditor {
         this.#amountError = document.getElementById(this.#prefix + "-amount-error");
         this.#originalEntryControl.onclick = () => OriginalEntrySelector.start(this, this.originalEntryId);
         this.#originalEntryDelete.onclick = () => this.clearOriginalEntry();
-        this.#summaryControl.onclick = () => SummaryEditor.start(this, this.summary);
+        this.#summaryControl.onclick = () => SummaryEditor.start(this);
         this.#accountControl.onclick = () => AccountSelector.start(this, this.entryType);
         this.#amount.onchange = () => this.#validateAmount();
         this.#element.onsubmit = () => {
diff --git a/src/accounting/static/js/summary-editor.js b/src/accounting/static/js/summary-editor.js
index a538bfe..97e20d8 100644
--- a/src/accounting/static/js/summary-editor.js
+++ b/src/accounting/static/js/summary-editor.js
@@ -228,12 +228,11 @@ class SummaryEditor {
      * The callback when the summary editor is shown.
      *
      * @param entryEditor {JournalEntryEditor} the journal entry editor
-     * @param summary {string|null} the summary
      */
-    #onOpen(entryEditor, summary) {
+    #onOpen(entryEditor) {
         this.#entryEditor = entryEditor;
         this.#reset();
-        this.summary.value = summary === null? "": summary;
+        this.summary.value = entryEditor.summary === null? "": entryEditor.summary;
         this.#onSummaryChange();
     }
 
@@ -271,10 +270,9 @@ class SummaryEditor {
      * The callback when the summary editor is shown.
      *
      * @param entryEditor {JournalEntryEditor} the journal entry editor
-     * @param summary {string|null} the summary
      */
-    static start(entryEditor, summary) {
-        this.#editors[entryEditor.entryType].#onOpen(entryEditor, summary);
+    static start(entryEditor) {
+        this.#editors[entryEditor.entryType].#onOpen(entryEditor);
     }
 }