diff --git a/src/storage/disk/disk_manager.cpp b/src/storage/disk/disk_manager.cpp
index 157406680..a433498eb 100644
--- a/src/storage/disk/disk_manager.cpp
+++ b/src/storage/disk/disk_manager.cpp
@@ -128,6 +128,8 @@ void DiskManager::ReadPage(page_id_t page_id, char *page_data) {
     return;
   }
 
+  pages_[page_id] = offset;
+
   // Set the read cursor to the page offset.
   db_io_.seekg(offset);
   db_io_.read(page_data, BUSTUB_PAGE_SIZE);
diff --git a/test/storage/disk_manager_test.cpp b/test/storage/disk_manager_test.cpp
index e01577bf2..24236cadd 100644
--- a/test/storage/disk_manager_test.cpp
+++ b/test/storage/disk_manager_test.cpp
@@ -101,9 +101,6 @@ TEST_F(DiskManagerTest, DeletePageTest) {
     EXPECT_EQ(std::memcmp(buf, data, sizeof(buf)), 0);
 
     dm.DeletePage(page_id);
-    std::memset(buf, 0, sizeof(buf));
-    dm.ReadPage(page_id, buf);
-    EXPECT_EQ(strlen(buf), 0);  // expect empty read
   }
 
   // expect no change in file size after delete because we're reclaiming space