diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 3010be1..b7d0481 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -248,7 +248,8 @@
         // Tablet UI does not support emulated landscape.
         isTablet = allowRotation && info.isTablet(windowBounds);
         isPhone = !isTablet;
-        isTwoPanels = isTablet && useTwoPanels;
+        isTwoPanels = isTablet && useTwoPanels
+                && (isLandscape || FeatureFlags.ENABLE_TWO_PANEL_HOME_IN_PORTRAIT.get());
 
         aspectRatio = ((float) Math.max(widthPx, heightPx)) / Math.min(widthPx, heightPx);
         boolean isTallDevice = Float.compare(aspectRatio, TALL_DEVICE_ASPECT_RATIO_THRESHOLD) >= 0;
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 38a957d..74c7310 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -230,6 +230,10 @@
             "ENABLE_TWO_PANEL_HOME", true,
             "Uses two panel on home screen. Only applicable on large screen devices.");
 
+    public static final BooleanFlag ENABLE_TWO_PANEL_HOME_IN_PORTRAIT = getDebugFlag(
+            "ENABLE_TWO_PANEL_HOME_IN_PORTRAIT", true,
+            "Uses two panel on home screen in portrait if ENABLE_TWO_PANEL_HOME is enabled.");
+
     public static final BooleanFlag ENABLE_SCRIM_FOR_APP_LAUNCH = getDebugFlag(
             "ENABLE_SCRIM_FOR_APP_LAUNCH", false,
             "Enables scrim during app launch animation.");