diff --git a/c_src/esqlite_nif.c b/c_src/esqlite_nif.c
index b4019c3..007ae2f 100644
--- a/c_src/esqlite_nif.c
+++ b/c_src/esqlite_nif.c
@@ -6,6 +6,31 @@
 
 #include "sqlite3.h"
 
+#define MAX_PATHNAME 512 /* unfortunately not in sqlite.h */
+
+/*
+ * Open database. Expects utf-8 input
+*/
+static ERL_NIF_TERM eisqlite_open_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+    int rc;
+    char filename[MAX_PATHNAME];
+    sqlite3
+   
+    /* TODO ignore the utf-8 stuff for now */
+    if(!enif_get_string(env, argv[0], filename, MAX_PATHNAME, ERL_NIF_LATIN1))
+        return enif_make_badarg(env);   
+
+
+    rc = sqlite3_open(filename, &db);
+    if( rc ) {
+      fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
+      sqlite3_close(db);
+      /* maak een error tuple */
+    }
+    
+}
+
 
 static int on_load(ErlNifEnv* env, void** priv, ERL_NIF_TERM info)
 {
diff --git a/rebar.config b/rebar.config
index 26d8ce6..4bf4d0d 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,3 +1,3 @@
-{vrequire_otp_vsn, "R14"}.
+{require_otp_vsn, "R14"}.
 {port_sources, ["c_src/*.c"]}.
 {so_name, "esqlite_nif.so"}.