diff --git a/t/04flags.c b/t/04flags.c
new file mode 100644
index 0000000..8c30483
--- /dev/null
+++ b/t/04flags.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include "../termkey.h"
+#include "taplib.h"
+
+int main(int argc, char *argv[])
+{
+  int        fd[2];
+  TermKey   *tk;
+  TermKeyKey key;
+
+  plan_tests(8);
+
+  pipe(fd);
+
+  /* Sanitise this just in case */
+  putenv("TERM=vt100");
+
+  tk = termkey_new(fd[0], TERMKEY_FLAG_NOTERMIOS);
+
+  write(fd[1], " ", 1);
+
+  is_int(termkey_waitkey(tk, &key), TERMKEY_RES_KEY, "waitkey yields RES_KEY after space");
+
+  is_int(key.type,        TERMKEY_TYPE_UNICODE, "key.type after space");
+  is_int(key.code.number, ' ',                  "key.code.number after space");
+  is_int(key.modifiers,   0,                    "key.modifiers after space");
+
+  termkey_set_flags(tk, TERMKEY_FLAG_SPACESYMBOL);
+
+  write(fd[1], " ", 1);
+
+  is_int(termkey_waitkey(tk, &key), TERMKEY_RES_KEY, "waitkey yields RES_KEY after space");
+
+  is_int(key.type,        TERMKEY_TYPE_KEYSYM, "key.type after space with FLAG_SPACESYMBOL");
+  is_int(key.code.number, TERMKEY_SYM_SPACE,   "key.code.sym after space with FLAG_SPACESYMBOL");
+  is_int(key.modifiers,   0,                   "key.modifiers after space with FLAG_SPACESYMBOL");
+
+  termkey_destroy(tk);
+
+  return exit_status();
+}