diff --git a/security/keymint/aidl/vts/functional/AuthTest.cpp b/security/keymint/aidl/vts/functional/AuthTest.cpp
index a31ac01..78c88f4 100644
--- a/security/keymint/aidl/vts/functional/AuthTest.cpp
+++ b/security/keymint/aidl/vts/functional/AuthTest.cpp
@@ -274,7 +274,7 @@
     std::shared_ptr<ISecureClock> clock_;
     string password_;
     uint32_t uid_;
-    long sid_;
+    int64_t sid_;
     std::vector<uint8_t> handle_;
 };
 
diff --git a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
index a6a9df6..3c753d1 100644
--- a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
+++ b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
@@ -356,7 +356,7 @@
     SecurityLevel securityLevel_;
     string name_;
     string author_;
-    long challenge_;
+    int64_t challenge_;
 
   private:
     void CheckEncryptOneByteAtATime(BlockMode block_mode, const int block_size,