1 files changed, 5 insertions, 0 deletions
diff --git a/termkey.c b/termkey.c
index 5f5a9a9..163e168 100644
--- a/termkey.c
+++ b/termkey.c
@@ -733,6 +733,11 @@ static TermKeyResult peekkey(TermKey *tk, TermKeyKey *key, int force, size_t *nb
 {
   int again = 0;
 
+  if(!tk->is_started) {
+    errno = EINVAL;
+    return TERMKEY_RES_ERROR;
+  }
+
 #ifdef DEBUG
   fprintf(stderr, "getkey(force=%d): buffer ", force);
   print_buffer(tk);