diff --git a/packages/nodes-base/nodes/Google/Firebase/CloudFirestore/GenericFunctions.ts b/packages/nodes-base/nodes/Google/Firebase/CloudFirestore/GenericFunctions.ts
index 7480448e12d..7ebde804135 100644
--- a/packages/nodes-base/nodes/Google/Firebase/CloudFirestore/GenericFunctions.ts
+++ b/packages/nodes-base/nodes/Google/Firebase/CloudFirestore/GenericFunctions.ts
@@ -90,7 +90,7 @@ export function jsonToDocument(value: string | number | IDataObject | IDataObjec
 		return { booleanValue: value };
 	} else if (value === null) {
 		return { nullValue: null };
-	} else if (value !== '' && !isNaN(value as number)) {
+	} else if (value !== '' && typeof value !== 'object' && !isNaN(value as number)) {
 		if (value.toString().indexOf('.') !== -1) {
 			return { doubleValue: value };
 		} else {
diff --git a/packages/nodes-base/nodes/Google/Firebase/CloudFirestore/__test__/GenericFunctions.test.ts b/packages/nodes-base/nodes/Google/Firebase/CloudFirestore/__test__/GenericFunctions.test.ts
index 3820d03f3ea..41116693aa9 100644
--- a/packages/nodes-base/nodes/Google/Firebase/CloudFirestore/__test__/GenericFunctions.test.ts
+++ b/packages/nodes-base/nodes/Google/Firebase/CloudFirestore/__test__/GenericFunctions.test.ts
@@ -344,6 +344,10 @@ describe('GoogleFirebaseCloudFirestore > GenericFunctions', () => {
 			});
 		});
 
+		it('should convert empty arrays', () => {
+			expect(jsonToDocument([] as any)).toEqual({ arrayValue: { values: [] } });
+		});
+
 		it('should handle edge cases', () => {
 			expect(jsonToDocument(0)).toEqual({ integerValue: 0 });
 			expect(jsonToDocument(NaN as any)).toEqual({});