diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 305941e..74dd971 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -782,6 +782,11 @@
         if (!com.android.launcher3.Flags.oneGridSpecs()) {
             return;
         }
+        // When the flag oneGridSpecs is on we want to disable ALLOW_ROTATION which is replaced
+        // by FIXED_LANDSCAPE_MODE, ALLOW_ROTATION will only be used on Tablets afterwards.
+        if (!getDeviceProfile().isTablet) {
+            LauncherPrefs.get(this).put(LauncherPrefs.ALLOW_ROTATION, false);
+        }
         getRotationHelper().setFixedLandscape(
                 Objects.requireNonNull(mDeviceProfile.inv).isFixedLandscapeMode
         );