diff --git a/graphics/composer/2.1/utils/hwc2on1adapter/HWC2On1Adapter.cpp b/graphics/composer/2.1/utils/hwc2on1adapter/HWC2On1Adapter.cpp
index 3d138f7..8b5ebb9 100644
--- a/graphics/composer/2.1/utils/hwc2on1adapter/HWC2On1Adapter.cpp
+++ b/graphics/composer/2.1/utils/hwc2on1adapter/HWC2On1Adapter.cpp
@@ -2590,13 +2590,6 @@
 
     std::unique_lock<std::recursive_timed_mutex> lock(mStateMutex);
 
-    // If the HWC2-side callback hasn't been registered yet, buffer this until
-    // it is registered
-    if (mCallbacks.count(Callback::Hotplug) == 0) {
-        mPendingHotplugs.emplace_back(hwc1DisplayId, connected);
-        return;
-    }
-
     hwc2_display_t displayId = UINT64_MAX;
     if (mHwc1DisplayMap.count(hwc1DisplayId) == 0) {
         if (connected == 0) {
@@ -2625,6 +2618,13 @@
         mDisplays.erase(displayId);
     }
 
+    // If the HWC2-side callback hasn't been registered yet, buffer this until
+    // it is registered
+    if (mCallbacks.count(Callback::Hotplug) == 0) {
+        mPendingHotplugs.emplace_back(hwc1DisplayId, connected);
+        return;
+    }
+
     const auto& callbackInfo = mCallbacks[Callback::Hotplug];
 
     // Call back without the state lock held