diff --git a/src/com/android/launcher3/model/GridSizeMigrationTaskV2.java b/src/com/android/launcher3/model/GridSizeMigrationTaskV2.java
index 0369b21..e36d4cf 100644
--- a/src/com/android/launcher3/model/GridSizeMigrationTaskV2.java
+++ b/src/com/android/launcher3/model/GridSizeMigrationTaskV2.java
@@ -395,7 +395,8 @@
             mTrgX = trgX;
             mTrgY = trgY;
             mNextStartX = 0;
-            mNextStartY = mTrgY - 1;
+            mNextStartY = mScreenId == 0 && FeatureFlags.QSB_ON_FIRST_SCREEN
+                    ? 1 /* smartspace */ : 0;
             List<DbEntry> existedEntries = mDestReader.mWorkspaceEntriesByScreenId.get(screenId);
             if (existedEntries != null) {
                 for (DbEntry entry : existedEntries) {
@@ -430,7 +431,7 @@
          * to speed up the search.
          */
         private boolean findPlacement(DbEntry entry) {
-            for (int y = mNextStartY; y >= (mScreenId == 0 ? 1 /* smartspace */ : 0); y--) {
+            for (int y = mNextStartY; y <  mTrgY; y++) {
                 for (int x = mNextStartX; x < mTrgX; x++) {
                     boolean fits = mOccupied.isRegionVacant(x, y, entry.spanX, entry.spanY);
                     boolean minFits = mOccupied.isRegionVacant(x, y, entry.minSpanX,
@@ -753,7 +754,7 @@
                 return Integer.compare(screenId, another.screenId);
             }
             if (cellY != another.cellY) {
-                return -Integer.compare(cellY, another.cellY);
+                return Integer.compare(cellY, another.cellY);
             }
             return Integer.compare(cellX, another.cellX);
         }
diff --git a/tests/src/com/android/launcher3/model/GridSizeMigrationTaskV2Test.kt b/tests/src/com/android/launcher3/model/GridSizeMigrationTaskV2Test.kt
index 345016b..90d7b43 100644
--- a/tests/src/com/android/launcher3/model/GridSizeMigrationTaskV2Test.kt
+++ b/tests/src/com/android/launcher3/model/GridSizeMigrationTaskV2Test.kt
@@ -101,16 +101,21 @@
         modelHelper.addItem(SHORTCUT, 3, HOTSEAT, 0, 0, testPackage3, 3, TMP_CONTENT_URI)
         modelHelper.addItem(APP_ICON, 4, HOTSEAT, 0, 0, testPackage4, 4, TMP_CONTENT_URI)
         // Src grid icons
-        modelHelper.addItem(APP_ICON, 0, DESKTOP, 2, 2, testPackage5, 5, TMP_CONTENT_URI)
-        modelHelper.addItem(APP_ICON, 0, DESKTOP, 2, 3, testPackage6, 6, TMP_CONTENT_URI)
-        modelHelper.addItem(APP_ICON, 0, DESKTOP, 4, 1, testPackage8, 8, TMP_CONTENT_URI)
-        modelHelper.addItem(APP_ICON, 0, DESKTOP, 4, 2, testPackage9, 9, TMP_CONTENT_URI)
-        modelHelper.addItem(APP_ICON, 0, DESKTOP, 4, 3, testPackage10, 10, TMP_CONTENT_URI)
+        // _ _ _ _ _
+        // _ _ _ _ 5
+        // _ _ 6 _ 7
+        // _ _ 8 _ 9
+        // _ _ _ _ _
+        modelHelper.addItem(APP_ICON, 0, DESKTOP, 4, 1, testPackage5, 5, TMP_CONTENT_URI)
+        modelHelper.addItem(APP_ICON, 0, DESKTOP, 2, 2, testPackage6, 6, TMP_CONTENT_URI)
+        modelHelper.addItem(APP_ICON, 0, DESKTOP, 4, 2, testPackage7, 7, TMP_CONTENT_URI)
+        modelHelper.addItem(APP_ICON, 0, DESKTOP, 2, 3, testPackage8, 8, TMP_CONTENT_URI)
+        modelHelper.addItem(APP_ICON, 0, DESKTOP, 4, 3, testPackage9, 9, TMP_CONTENT_URI)
 
         // Dest hotseat icons
         modelHelper.addItem(SHORTCUT, 1, HOTSEAT, 0, 0, testPackage2)
         // Dest grid icons
-        modelHelper.addItem(APP_ICON, 0, DESKTOP, 2, 2, testPackage7)
+        modelHelper.addItem(APP_ICON, 0, DESKTOP, 2, 2, testPackage10)
 
         idp.numDatabaseHotseatIcons = 4
         idp.numColumns = 4
@@ -174,13 +179,18 @@
                 Point(c.getInt(cellXIndex), c.getInt(cellYIndex))
         }
         c.close()
+        // Expected dest grid icons
+        // _ _ _ _
+        // 5 6 7 8
+        // 9 _ 10_
+        // _ _ _ _
         assertThat(locMap.size.toLong()).isEqualTo(6)
-        assertThat(locMap[testPackage8]).isEqualTo(Point(0, 2))
-        assertThat(locMap[testPackage6]).isEqualTo(Point(0, 3))
-        assertThat(locMap[testPackage10]).isEqualTo(Point(1, 3))
-        assertThat(locMap[testPackage7]).isEqualTo(Point(2, 2))
-        assertThat(locMap[testPackage5]).isEqualTo(Point(2, 3))
-        assertThat(locMap[testPackage9]).isEqualTo(Point(3, 3))
+        assertThat(locMap[testPackage5]).isEqualTo(Point(0, 1))
+        assertThat(locMap[testPackage6]).isEqualTo(Point(1, 1))
+        assertThat(locMap[testPackage7]).isEqualTo(Point(2, 1))
+        assertThat(locMap[testPackage8]).isEqualTo(Point(3, 1))
+        assertThat(locMap[testPackage9]).isEqualTo(Point(0, 2))
+        assertThat(locMap[testPackage10]).isEqualTo(Point(2, 2))
     }
 
     @Test