diff --git a/packages/ra-core/src/form/sanitizeEmptyValues.spec.ts b/packages/ra-core/src/form/sanitizeEmptyValues.spec.ts
index 355d765495f..cee9660110e 100644
--- a/packages/ra-core/src/form/sanitizeEmptyValues.spec.ts
+++ b/packages/ra-core/src/form/sanitizeEmptyValues.spec.ts
@@ -45,6 +45,25 @@ describe('sanitizeEmptyValues', () => {
             sanitizeEmptyValues({ obj: { foo: null, foo2: 2 } }, { obj })
         ).toEqual({ obj: { foo: { bar: 1 }, foo2: null } });
     });
+    it('should accept object values in arrays', () => {
+        const obj = [{ foo: 1 }, { foo: 2 }];
+        expect(sanitizeEmptyValues({ obj }, { obj: [{ foo: 1 }, {}] })).toEqual(
+            { obj: [{ foo: 1 }, { foo: null }] }
+        );
+        expect(sanitizeEmptyValues({}, { obj })).toEqual({ obj });
+    });
+    it('should accept adding objects in arrays', () => {
+        const obj = [{ foo: 1, foo2: 2 }, { foo: 3 }, { foo: 4 }];
+        expect(
+            sanitizeEmptyValues({ obj: [{ foo: 1 }, { foo: 4 }] }, { obj })
+        ).toEqual({ obj: [{ foo: 1, foo2: 2 }, { foo: 3 }, { foo: 4 }] });
+    });
+    it('should accept removing objects in array of objects', () => {
+        const obj = [{ foo: 1, foo2: 2 }, { foo: 3 }, { foo: 4 }];
+        expect(
+            sanitizeEmptyValues({ obj }, { obj: [{ foo: 1 }, { foo: 4 }] })
+        ).toEqual({ obj: [{ foo: 1, foo2: null }, { foo: 4 }] });
+    });
     it("should not ignore initial value when it's not of the same type", () => {
         const initialValues = { a: 'foobar' };
         const values = { a: { hello: 'world' } };
diff --git a/packages/ra-core/src/form/sanitizeEmptyValues.ts b/packages/ra-core/src/form/sanitizeEmptyValues.ts
index 0b54cdb2d05..bec5d15c7fb 100644
--- a/packages/ra-core/src/form/sanitizeEmptyValues.ts
+++ b/packages/ra-core/src/form/sanitizeEmptyValues.ts
@@ -16,8 +16,16 @@ const sanitizeEmptyValues = (initialValues: object, values: object) => {
     if (!initialValues) return values;
     const initialValuesWithEmptyFields = Object.keys(initialValues).reduce(
         (acc, key) => {
-            if (values[key] instanceof Date || Array.isArray(values[key])) {
+            if (values[key] instanceof Date) {
                 acc[key] = values[key];
+            } else if (Array.isArray(values[key])) {
+                if (Array.isArray(initialValues[key])) {
+                    acc[key] = values[key].map((value, index) =>
+                        sanitizeEmptyValues(initialValues[key][index], value)
+                    );
+                } else {
+                    acc[key] = values[key];
+                }
             } else if (
                 typeof values[key] === 'object' &&
                 typeof initialValues[key] === 'object' &&