diff --git a/Keystore.cpp b/Keystore.cpp
index d993b0d..6040f2d 100644
--- a/Keystore.cpp
+++ b/Keystore.cpp
@@ -48,7 +48,7 @@
 }
 
 static void zeroize_vector(std::vector<uint8_t>& vec) {
-    memset_s(vec.data(), 0, vec.size());
+    memset_explicit(vec.data(), 0, vec.size());
 }
 
 static bool logKeystore2ExceptionIfPresent(::ndk::ScopedAStatus& rc, const std::string& func_name) {