diff --git a/backend/src/check/check.service.ts b/backend/src/check/check.service.ts
index 5fd6a0f0..8306887d 100644
--- a/backend/src/check/check.service.ts
+++ b/backend/src/check/check.service.ts
@@ -1,12 +1,11 @@
 import { Injectable } from "@nestjs/common";
+import { JwtService } from "@nestjs/jwt";
+import * as moment from "moment";
 import { PrismaService } from "src/db/prisma.service";
-import { CheckNameConflicReponse } from "./types/check-name-conflict-response.type";
-import slugify from "slugify";
+import { JwtPayload } from "src/utils/types/jwt.type";
 import { CheckYorkieDto, YorkieMethod } from "./dto/check-yorkie.dto";
+import { CheckNameConflicReponse } from "./types/check-name-conflict-response.type";
 import { CheckYorkieResponse } from "./types/check-yorkie-response.type";
-import { JwtService } from "@nestjs/jwt";
-import { JwtPayload } from "src/utils/types/jwt.type";
-import * as moment from "moment";
 
 @Injectable()
 export class CheckService {
@@ -16,15 +15,15 @@ export class CheckService {
 	) {}
 
 	async checkNameConflict(name: string): Promise<CheckNameConflicReponse> {
-		const slug = slugify(name, { lower: true });
+		const encodedText = encodeURIComponent(name);
 		const conflictUserList = await this.prismaService.user.findMany({
 			where: {
-				OR: [{ nickname: name }, { nickname: slug }],
+				OR: [{ nickname: name }, { nickname: encodedText }],
 			},
 		});
 		const conflictWorkspaceList = await this.prismaService.workspace.findMany({
 			where: {
-				OR: [{ title: name }, { title: slug }],
+				OR: [{ title: name }, { title: encodedText }],
 			},
 		});
 
diff --git a/backend/src/users/users.service.ts b/backend/src/users/users.service.ts
index 04de8452..c7d58a21 100644
--- a/backend/src/users/users.service.ts
+++ b/backend/src/users/users.service.ts
@@ -1,10 +1,9 @@
 import { ConflictException, Injectable } from "@nestjs/common";
 import { User } from "@prisma/client";
-import { PrismaService } from "src/db/prisma.service";
-import { FindUserResponse } from "./types/find-user-response.type";
 import { CheckService } from "src/check/check.service";
-import slugify from "slugify";
+import { PrismaService } from "src/db/prisma.service";
 import { WorkspaceRoleConstants } from "src/utils/constants/auth-role";
+import { FindUserResponse } from "./types/find-user-response.type";
 
 @Injectable()
 export class UsersService {
@@ -95,7 +94,7 @@ export class UsersService {
 			},
 		});
 
-		const slug = slugify(nickname, { lower: true });
+		const encodedText = encodeURIComponent(nickname);
 
 		if (!userWorkspaceList.length) {
 			const { id: workspaceId } = await this.prismaService.workspace.create({
@@ -104,7 +103,7 @@ export class UsersService {
 				},
 				data: {
 					title: nickname,
-					slug,
+					slug: encodedText,
 				},
 			});
 
diff --git a/backend/src/workspaces/workspaces.service.ts b/backend/src/workspaces/workspaces.service.ts
index 978f66d0..aca25e8f 100644
--- a/backend/src/workspaces/workspaces.service.ts
+++ b/backend/src/workspaces/workspaces.service.ts
@@ -5,14 +5,13 @@ import {
 	UnauthorizedException,
 } from "@nestjs/common";
 import { Prisma, Workspace } from "@prisma/client";
+import * as moment from "moment";
+import { CheckService } from "src/check/check.service";
 import { PrismaService } from "src/db/prisma.service";
-import { FindWorkspacesResponse } from "./types/find-workspaces-response.type";
-import { CreateInvitationTokenResponse } from "./types/create-inviation-token-response.type";
 import { WorkspaceRoleConstants } from "src/utils/constants/auth-role";
-import slugify from "slugify";
 import { generateRandomKey } from "src/utils/functions/random-string";
-import * as moment from "moment";
-import { CheckService } from "src/check/check.service";
+import { CreateInvitationTokenResponse } from "./types/create-inviation-token-response.type";
+import { FindWorkspacesResponse } from "./types/find-workspaces-response.type";
 
 @Injectable()
 export class WorkspacesService {
@@ -31,7 +30,7 @@ export class WorkspacesService {
 		const workspace = await this.prismaService.workspace.create({
 			data: {
 				title,
-				slug: slugify(title, { lower: true }),
+				slug: encodeURIComponent(title),
 			},
 		});