diff --git a/backend/pium/src/main/java/com/official/pium/controller/HttpCookieManager.java b/backend/pium/src/main/java/com/official/pium/controller/HttpCookieManager.java
index fd3e2ec9..379cf9f0 100644
--- a/backend/pium/src/main/java/com/official/pium/controller/HttpCookieManager.java
+++ b/backend/pium/src/main/java/com/official/pium/controller/HttpCookieManager.java
@@ -9,7 +9,7 @@ public class HttpCookieManager {
     private static final int VALUE_INDEX = 1;
     private static final int COOKIE_SIZE = 2;
     private static final String SESSION_DELIMITER = "=";
-    private static final String SESSIONS_DELIMITER = ";";
+    private static final String SESSIONS_DELIMITER = "; ";
 
     private final Map<String, String> cookies = new HashMap<>();
 
diff --git a/backend/pium/src/main/resources/db/migration/V8__session_group_drop_unique.sql b/backend/pium/src/main/resources/db/migration/V8__session_group_drop_unique.sql
deleted file mode 100644
index 7d5a7597..00000000
--- a/backend/pium/src/main/resources/db/migration/V8__session_group_drop_unique.sql
+++ /dev/null
@@ -1 +0,0 @@
-ALTER TABLE session_group DROP INDEX uniq_sessions;
diff --git a/backend/pium/src/test/java/com/official/pium/controller/HttpCookieManagerTest.java b/backend/pium/src/test/java/com/official/pium/controller/HttpCookieManagerTest.java
index 413388c9..081d67a3 100644
--- a/backend/pium/src/test/java/com/official/pium/controller/HttpCookieManagerTest.java
+++ b/backend/pium/src/test/java/com/official/pium/controller/HttpCookieManagerTest.java
@@ -12,7 +12,17 @@ class HttpCookieManagerTest {
 
     @Test
     void JSESSIONID를_가져온다() {
-        String requestCookie = "JSESSIONID=F51D50B1C12CE2BC58C6AC6EF8EF0092; _ga_8SL2D547VW=GS1.1.1697719895.1.1.1697720060.0.0.0";
+        String requestCookie = "_ga_8SL2D547VW=GS1.1.1697719895.1.1.1697720060.0.0.0; JSESSIONID=F51D50B1C12CE2BC58C6AC6EF8EF0092";
+        HttpCookieManager httpCookieManager = new HttpCookieManager(requestCookie);
+
+        String jsessionid = httpCookieManager.getCookie("JSESSIONID");
+
+        assertThat(jsessionid).isEqualTo("F51D50B1C12CE2BC58C6AC6EF8EF0092");
+    }
+
+    @Test
+    void JSESSIONID를_가져온다2() {
+        String requestCookie = "JSESSIONID=F51D50B1C12CE2BC58C6AC6EF8EF0092";
         HttpCookieManager httpCookieManager = new HttpCookieManager(requestCookie);
 
         String jsessionid = httpCookieManager.getCookie("JSESSIONID");