diff --git a/lib/ptlsbcrypt.c b/lib/ptlsbcrypt.c
index 43c442f..8f4561f 100644
--- a/lib/ptlsbcrypt.c
+++ b/lib/ptlsbcrypt.c
@@ -135,7 +135,7 @@
     ULONG cbResult;
     NTSTATUS ret;
     uint8_t eiv[PTLS_MAX_IV_SIZE];
-    int i;
+    size_t i;
     uint64_t seq = 0;
     size_t processed = 0;
     uint8_t const *v_in = input;
diff --git a/misc/build_picotls.ps1 b/misc/build_picotls.ps1
index 0f425d7..ab1e96c 100644
--- a/misc/build_picotls.ps1
+++ b/misc/build_picotls.ps1
@@ -4,6 +4,7 @@
     if ($dir) {
         cp "$dir\lib\libcrypto.lib" "$dir"
         cp C:\OpenSSL-Win32\include\openssl\applink.c "$dir\include\openssl"
+        echo "Copied applink.c to $dir\include\openssl"
     }
 }