diff --git a/midori/midori-browser.c b/midori/midori-browser.c
index 460494a0..b82abafc 100644
--- a/midori/midori-browser.c
+++ b/midori/midori-browser.c
@@ -477,6 +477,8 @@ midori_browser_update_history_title (MidoriBrowser* browser,
     sqlite3* db;
     static sqlite3_stmt* stmt = NULL;
 
+    g_return_if_fail (katze_item_get_uri (item) != NULL);
+
     db = g_object_get_data (G_OBJECT (browser->history), "db");
     if (!stmt)
     {
@@ -5347,6 +5349,8 @@ midori_browser_new_history_item (MidoriBrowser* browser,
     sqlite3* db;
     static sqlite3_stmt* stmt = NULL;
 
+    g_return_if_fail (katze_item_get_uri (item) != NULL);
+
     now = time (NULL);
     katze_item_set_added (item, now);
     day = sokoke_time_t_to_julian (&now);