diff --git a/ports/unix/mpconfigport_coverage.h b/ports/unix/mpconfigport_coverage.h
index a98aae975e32a184b043a01df4812b281a8dee7f..a4225e930cca65b54b8e96c5ce6030ddb97cd8db 100644
--- a/ports/unix/mpconfigport_coverage.h
+++ b/ports/unix/mpconfigport_coverage.h
@@ -52,6 +52,7 @@
 #define MICROPY_VFS_FAT                (1)
 #define MICROPY_PY_FRAMEBUF            (1)
 #define MICROPY_PY_COLLECTIONS_NAMEDTUPLE__ASDICT (1)
+#define MICROPY_PY_UHASHLIB_MD5        (1)
 #define MICROPY_PY_UCRYPTOLIB          (1)
 
 // TODO these should be generic, not bound to fatfs