diff --git a/src/TaskSerializer/DefaultTaskSerializer.ts b/src/TaskSerializer/DefaultTaskSerializer.ts
index 2a7c5ce845..e319346ff9 100644
--- a/src/TaskSerializer/DefaultTaskSerializer.ts
+++ b/src/TaskSerializer/DefaultTaskSerializer.ts
@@ -91,7 +91,7 @@ export const DEFAULT_SYMBOLS: DefaultTaskSerializerSymbols = {
         doneDateRegex: /✅ *(\d{4}-\d{2}-\d{2})$/u,
         cancelledDateRegex: /❌ *(\d{4}-\d{2}-\d{2})$/u,
         recurrenceRegex: /🔁 ?([a-zA-Z0-9, !]+)$/iu,
-        onCompletionRegex: /🏁 ?([a-zA-Z]+)$/iu,
+        onCompletionRegex: /🏁 *([a-zA-Z]+)$/iu,
         dependsOnRegex: new RegExp('⛔\uFE0F? *(' + taskIdSequenceRegex.source + ')$', 'iu'),
         idRegex: new RegExp('🆔 *(' + taskIdRegex.source + ')$', 'iu'),
     },
diff --git a/tests/TaskSerializer/DefaultTaskSerializer.test.ts b/tests/TaskSerializer/DefaultTaskSerializer.test.ts
index c3bfe5b4cd..8014eb70a9 100644
--- a/tests/TaskSerializer/DefaultTaskSerializer.test.ts
+++ b/tests/TaskSerializer/DefaultTaskSerializer.test.ts
@@ -71,7 +71,7 @@ describe('validate emoji regular expressions', () => {
             doneDateRegex: /✅ *(\\d{4}-\\d{2}-\\d{2})$/u
             cancelledDateRegex: /❌ *(\\d{4}-\\d{2}-\\d{2})$/u
             recurrenceRegex: /🔁 ?([a-zA-Z0-9, !]+)$/iu
-            onCompletionRegex: /🏁 ?([a-zA-Z]+)$/iu
+            onCompletionRegex: /🏁 *([a-zA-Z]+)$/iu
             dependsOnRegex: /⛔️? *([a-zA-Z0-9-_]+( *, *[a-zA-Z0-9-_]+ *)*)$/iu
             idRegex: /🆔 *([a-zA-Z0-9-_]+)$/iu"
         `);
@@ -170,10 +170,16 @@ describe.each(symbolMap)("DefaultTaskSerializer with '$taskFormat' symbols", ({
 
         describe('should parse onCompletion', () => {
             it('should parse delete action', () => {
-                const onCompletion = `${onCompletionSymbol} delete`;
+                const onCompletion = `${onCompletionSymbol} Delete`;
                 const taskDetails = deserialize(onCompletion);
                 expect(taskDetails).toMatchTaskDetails({ onCompletion: OnCompletion.Delete });
             });
+
+            it('should allow multiple spaces', () => {
+                const onCompletion = `${onCompletionSymbol}  Keep`;
+                const taskDetails = deserialize(onCompletion);
+                expect(taskDetails).toMatchTaskDetails({ onCompletion: OnCompletion.Keep });
+            });
         });
 
         describe('should parse depends on', () => {