diff --git a/moo/lib/main.c b/moo/lib/main.c
index 6cd1e84..e5852d9 100644
--- a/moo/lib/main.c
+++ b/moo/lib/main.c
@@ -808,7 +808,7 @@ static void* dl_open (moo_t* moo, const moo_ooch_t* name, int flags)
 		if (!bufptr) return MOO_NULL;
 	}
 
-	if (flags & MOO_VMPRIM_OPENDL_PFMOD)
+	if (flags & MOO_VMPRIM_DLOPEN_PFMOD)
 	{
 		moo_oow_t len, i, xlen;
 
diff --git a/moo/lib/moo.c b/moo/lib/moo.c
index 772035f..936df69 100644
--- a/moo/lib/moo.c
+++ b/moo/lib/moo.c
@@ -592,7 +592,7 @@ moo_mod_data_t* moo_openmod (moo_t* moo, const moo_ooch_t* name, moo_oow_t namel
 	moo_copy_oochars ((moo_ooch_t*)md.mod.name, name, namelen);
 	if (moo->vmprim.dl_open && moo->vmprim.dl_getsym && moo->vmprim.dl_close)
 	{
-		md.handle = moo->vmprim.dl_open(moo, &buf[MOD_PREFIX_LEN], MOO_VMPRIM_OPENDL_PFMOD);
+		md.handle = moo->vmprim.dl_open(moo, &buf[MOD_PREFIX_LEN], MOO_VMPRIM_DLOPEN_PFMOD);
 	}
 
 	if (md.handle == MOO_NULL) 
diff --git a/moo/lib/moo.h b/moo/lib/moo.h
index 858e487..17b5536 100644
--- a/moo/lib/moo.h
+++ b/moo/lib/moo.h
@@ -926,11 +926,11 @@ typedef void (*moo_log_write_t) (moo_t* moo, moo_oow_t mask, const moo_ooch_t* m
 typedef void (*moo_syserrstrb_t) (moo_t* moo, int syserr, moo_bch_t* buf, moo_oow_t len);
 typedef void (*moo_syserrstru_t) (moo_t* moo, int syserr, moo_uch_t* buf, moo_oow_t len);
 
-enum moo_vmprim_opendl_flag_t
+enum moo_vmprim_dlopen_flag_t
 {
-	MOO_VMPRIM_OPENDL_PFMOD = (1 << 0)
+	MOO_VMPRIM_DLOPEN_PFMOD = (1 << 0)
 };
-typedef enum moo_vmprim_opendl_flag_t moo_vmprim_opendl_flag_t;
+typedef enum moo_vmprim_dlopen_flag_t moo_vmprim_dlopen_flag_t;
 
 typedef void* (*moo_vmprim_dlopen_t) (moo_t* moo, const moo_ooch_t* name, int flags);
 typedef void (*moo_vmprim_dlclose_t) (moo_t* moo, void* handle);