diff --git a/core/src/main/java/org/lsposed/lspd/service/PackageService.java b/core/src/main/java/org/lsposed/lspd/service/PackageService.java
index 6b2a4998..d4ff287b 100644
--- a/core/src/main/java/org/lsposed/lspd/service/PackageService.java
+++ b/core/src/main/java/org/lsposed/lspd/service/PackageService.java
@@ -252,7 +252,7 @@ public class PackageService {
                 boolean signatureMatch = InstallerVerifier.verifyInstallerSignature(pkgInfo.applicationInfo);
                 if (versionMatch && signatureMatch && pkgInfo.versionCode >= BuildConfig.VERSION_CODE)
                     return false;
-                if (packageName != BuildConfig.DEFAULT_MANAGER_PACKAGE_NAME || !signatureMatch
+                if (!BuildConfig.DEFAULT_MANAGER_PACKAGE_NAME.equals(packageName) || !signatureMatch
                         || !versionMatch && pkgInfo.versionCode > BuildConfig.VERSION_CODE)
                     uninstallPackage(new VersionedPackage(pkgInfo.packageName, pkgInfo.versionCode));
             }