diff --git a/frontend/package.json b/frontend/package.json
index 02439a97..9d7379b5 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -36,5 +36,6 @@
   },
   "overrides": {
     "esbuild": "^0.25.0"
-  }
+  },
+  "packageManager": "pnpm@10.30.3"
 }
diff --git a/frontend/src/components/modals/AddTableModal.tsx b/frontend/src/components/modals/AddTableModal.tsx
index 024bde03..1425bdff 100644
--- a/frontend/src/components/modals/AddTableModal.tsx
+++ b/frontend/src/components/modals/AddTableModal.tsx
@@ -78,11 +78,17 @@ export function AddTableModal({
           <button type="button" onClick={onAddTableCancel}>취소</button>
           <button
             type="submit"
-            disabled={!newTableName.trim()}
+            aria-disabled={!newTableName.trim()}
+            onClick={(e) => {
+              if (!newTableName.trim()) {
+                e.preventDefault();
+              }
+            }}
+            title={newTableName.trim() ? undefined : "테이블 이름을 입력하세요"}
             style={
               newTableName.trim()
                 ? { background: "#034ea2", color: "#fff" }
-                : undefined
+                : { opacity: 0.5, cursor: "not-allowed" }
             }
           >
             저장