1 files changed, 1 insertions, 1 deletions
diff --git a/src/cert/x509/x509stor.h b/src/cert/x509/x509stor.h
index 958b6da0f..e55e36e7e 100644
--- a/src/cert/x509/x509stor.h
+++ b/src/cert/x509/x509stor.h
@@ -116,7 +116,7 @@ class BOTAN_DLL X509_Store
          private:
             mutable bool checked;
             mutable X509_Code result;
-            mutable u64bit last_checked;
+            mutable std::chrono::system_clock::time_point last_checked;
          };
 
       u32bit find_cert(const X509_DN&, const MemoryRegion<byte>&) const;