diff --git a/backend/__tests__/api/controllers/user.spec.ts b/backend/__tests__/api/controllers/user.spec.ts
index ddc596a65..ee37253bc 100644
--- a/backend/__tests__/api/controllers/user.spec.ts
+++ b/backend/__tests__/api/controllers/user.spec.ts
@@ -2879,6 +2879,50 @@ describe("user controller test", () => {
         }
       );
     });
+    it("should update with empty strings", async () => {
+      //GIVEN
+      const newProfile = {
+        bio: "",
+        keyboard: "",
+
+        socialProfiles: {
+          github: "",
+          twitter: "",
+          website: "",
+        },
+      };
+
+      //WHEN
+      const { body } = await mockApp
+        .patch("/users/profile")
+        .set("Authorization", `Uid ${uid}`)
+        .send({
+          ...newProfile,
+          selectedBadgeId: -1,
+        })
+        .expect(200);
+
+      //THEN
+      expect(body).toEqual({
+        message: "Profile updated",
+        data: newProfile,
+      });
+      expect(updateProfileMock).toHaveBeenCalledWith(
+        uid,
+        {
+          bio: "",
+          keyboard: "",
+          socialProfiles: {
+            github: "",
+            twitter: "",
+            website: "",
+          },
+        },
+        {
+          badges: [{ id: 4 }, { id: 2 }, { id: 3 }],
+        }
+      );
+    });
     it("should fail with unknown properties", async () => {
       //WHEN
       const { body } = await mockApp
diff --git a/packages/contracts/src/schemas/users.ts b/packages/contracts/src/schemas/users.ts
index c7630ead7..9bcf3c417 100644
--- a/packages/contracts/src/schemas/users.ts
+++ b/packages/contracts/src/schemas/users.ts
@@ -109,8 +109,8 @@ function profileDetailsBase(
 
 export const UserProfileDetailsSchema = z
   .object({
-    bio: profileDetailsBase(z.string().max(250)),
-    keyboard: profileDetailsBase(z.string().max(75)),
+    bio: profileDetailsBase(z.string().max(250)).or(z.literal("")),
+    keyboard: profileDetailsBase(z.string().max(75)).or(z.literal("")),
     socialProfiles: z
       .object({
         twitter: profileDetailsBase(
@@ -118,16 +118,16 @@ export const UserProfileDetailsSchema = z
             .string()
             .max(20)
             .regex(/^[0-9a-zA-Z_.-]+$/)
-        ),
+        ).or(z.literal("")),
         github: profileDetailsBase(
           z
             .string()
             .max(39)
             .regex(/^[0-9a-zA-Z_.-]+$/)
-        ),
+        ).or(z.literal("")),
         website: profileDetailsBase(
           z.string().url().max(200).startsWith("https://")
-        ),
+        ).or(z.literal("")),
       })
       .strict()
       .optional(),