diff --git a/javacli/build-android b/javacli/build-android
index 2fef61e0..06f4d42c 100755
--- a/javacli/build-android
+++ b/javacli/build-android
@@ -72,6 +72,7 @@ $GPP_CMD \
     -DASIO_STANDALONE \
     -DASIO_NO_DEPRECATED \
     -DHAVE_LZ4 \
+    -DOPENVPN_USE_TLS_MD5 \
     -I$O3/core/client \
     -I$O3/core \
     $common \