diff --git a/test/ocaml/server/TestServer.ml b/test/ocaml/server/TestServer.ml
index 3f5c9ee..efe0f4b 100644
--- a/test/ocaml/server/TestServer.ml
+++ b/test/ocaml/server/TestServer.ml
@@ -36,6 +36,7 @@
   method testI32 x = p "testI32(%d)\n" (sod x); (sod x)
   method testI64 x = p "testI64(%s)\n" (Int64.to_string (sod x)); (sod x)
   method testDouble x = p "testDouble(%f)\n" (sod x); (sod x)
+  method testBinary x = p "testBinary(%s)\n" (sod x); (sod x)
   method testStruct x = p "testStruct(---)\n"; (sod x)
   method testNest x = p "testNest(---)\n"; (sod x)
   method testMap x = p "testMap(---)\n"; (sod x)