diff --git a/core/src/main/java/de/robv/android/xposed/XposedInit.java b/core/src/main/java/de/robv/android/xposed/XposedInit.java
index 7532002b..7d3ef591 100644
--- a/core/src/main/java/de/robv/android/xposed/XposedInit.java
+++ b/core/src/main/java/de/robv/android/xposed/XposedInit.java
@@ -51,8 +51,9 @@ import java.io.File;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
-import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import de.robv.android.xposed.callbacks.XC_InitPackageResources;
@@ -359,5 +360,5 @@ public final class XposedInit {
         return initModule(mcl, apk, file.moduleClassNames);
     }
 
-    public final static HashSet<String> loadedPackagesInProcess = new HashSet<>(1);
+    public final static Set<String> loadedPackagesInProcess = ConcurrentHashMap.newKeySet(1);
 }
diff --git a/core/src/main/java/org/lsposed/lspd/hooker/LoadedApkCstrHooker.java b/core/src/main/java/org/lsposed/lspd/hooker/LoadedApkCstrHooker.java
index 0a26d7a0..5536db58 100644
--- a/core/src/main/java/org/lsposed/lspd/hooker/LoadedApkCstrHooker.java
+++ b/core/src/main/java/org/lsposed/lspd/hooker/LoadedApkCstrHooker.java
@@ -57,6 +57,11 @@ public class LoadedApkCstrHooker extends XC_MethodHook {
                 return;
             }
 
+            if (XposedInit.loadedPackagesInProcess.isEmpty()) {
+                Hookers.logD("First LoadedApk should be called by handleBindApplication, skip: " + mAppDir);
+                return;
+            }
+
             if (!XposedInit.loadedPackagesInProcess.add(packageName)) {
                 Hookers.logD("LoadedApk#<init> has been loaded before, skip: " + mAppDir);
                 return;