diff --git a/jni/libzrtp/sources/bnlib/bninit64.c b/jni/libzrtp/sources/bnlib/bninit64.c
new file mode 100644
index 0000000..4abe673
--- /dev/null
+++ b/jni/libzrtp/sources/bnlib/bninit64.c
@@ -0,0 +1,16 @@
+/*
+ * bninit64.c - Provide an init function that sets things up for 64-bit
+ * operation.  This is a seaparate tiny file so you can compile two bn
+ * packages into the library and write a custom init routine.
+ *
+ * Written in 1995 by Colin Plumb.
+ */
+
+#include "bn.h"
+#include "bn64.h"
+
+void
+bnInit(void)
+{
+	bnInit_64();
+}