diff --git a/src/dict.c b/src/dict.c
index 777530a..c2580e1 100644
--- a/src/dict.c
+++ b/src/dict.c
@@ -36,6 +36,7 @@
 	if (!de->value.key)
 		goto err;
 
+	de->len = strlen(s);
 	de->refcount = 1;
 
 	return de;
@@ -43,6 +44,7 @@
  err:
 	free(de->value.key);
 	de->value.key = NULL;
+	de->len = 0;
 	free(de);
 	return NULL;
 }