diff --git a/unix-cpy/main.c b/unix-cpy/main.c
index 4bd924954..10003c992 100644
--- a/unix-cpy/main.c
+++ b/unix-cpy/main.c
@@ -80,3 +80,7 @@ int main(int argc, char **argv) {
 machine_float_t machine_sqrt(machine_float_t x) {
     return sqrt(x);
 }
+
+mp_import_stat_t mp_import_stat(const char *path) {
+    return MP_IMPORT_STAT_NO_EXIST;
+}