diff --git a/server/src/main/java/com/ticketing/server/movie/service/MovieServiceImpl.java b/server/src/main/java/com/ticketing/server/movie/service/MovieServiceImpl.java
index d8b957f..b053217 100644
--- a/server/src/main/java/com/ticketing/server/movie/service/MovieServiceImpl.java
+++ b/server/src/main/java/com/ticketing/server/movie/service/MovieServiceImpl.java
@@ -21,14 +21,14 @@ public class MovieServiceImpl implements MovieService {
 
 	private final MovieRepository movieRepository;
 
-	public Movie registerMovie(MovieRegisterDTO movieRegisterDto) {
+	public MovieDTO registerMovie(MovieRegisterDTO movieRegisterDto) {
 		Optional<Movie> movie = movieRepository.findByTitle(movieRegisterDto.getTitle());
 
 		if(movie.isEmpty()) {
 			return movieRepository.save(movieRegisterDto.toMovie());
 		}
 
-		throw ErrorCode.
+		throw ErrorCode.throwDuplicateMovie();
 	}
 
 	public List<MovieDTO> getMovies() {
diff --git a/server/src/main/java/com/ticketing/server/movie/service/interfaces/MovieService.java b/server/src/main/java/com/ticketing/server/movie/service/interfaces/MovieService.java
index f3055d6..cfad36c 100644
--- a/server/src/main/java/com/ticketing/server/movie/service/interfaces/MovieService.java
+++ b/server/src/main/java/com/ticketing/server/movie/service/interfaces/MovieService.java
@@ -1,10 +1,13 @@
 package com.ticketing.server.movie.service.interfaces;
 
 import com.ticketing.server.movie.service.dto.MovieDTO;
+import com.ticketing.server.movie.service.dto.MovieRegisterDTO;
 import java.util.List;
 
 public interface MovieService {
 
+	MovieDTO registerMovie(MovieRegisterDTO movieRegisterDto);
+
     List<MovieDTO> getMovies();
 
 }