diff --git a/ml-proto/runtests.py b/ml-proto/runtests.py
index a22feaee76..8e2e3920aa 100755
--- a/ml-proto/runtests.py
+++ b/ml-proto/runtests.py
@@ -51,14 +51,14 @@ def find_interpreter(path):
 def rebuild_interpreter(path):
   print("// building %s" % path)
   sys.stdout.flush()
-  exitCode = subprocess.call(["ocamlbuild", "-libs", "bigarray, str", "-Is", "given, spec, host", "-cflags", "-g", "host/main.native"])
+  exitCode = subprocess.call(["make"])
   if (exitCode != 0):
-    raise Exception("ocamlbuild failed with exit code %i" % exitCode)
+    raise Exception("make failed with exit code %i" % exitCode)
   if not os.path.exists(path):
     raise Exception("Interpreter has not been built. Looked for %s" % path)
 
 if __name__ == "__main__":
-  interpreterPath = os.path.abspath("./main.native")
+  interpreterPath = os.path.abspath("./wasm")
 
   try:
     os.makedirs("test/output/")
diff --git a/ml-proto/travis/build-test.sh b/ml-proto/travis/build-test.sh
index 3ccaaa70a0..ed1966e745 100755
--- a/ml-proto/travis/build-test.sh
+++ b/ml-proto/travis/build-test.sh
@@ -9,6 +9,6 @@ cd $(dirname ${BASH_SOURCE[0]})/..
 
 export PATH=$PWD/../ocaml/install/bin:$PATH
 
-ocamlbuild -libs "bigarray, str" -Is "given, spec, host" main.native
+make
 
 ./runtests.py