diff --git a/src/import/curl-util.c b/src/import/curl-util.c
index 10f2aa0468e..1628f833a97 100644
--- a/src/import/curl-util.c
+++ b/src/import/curl-util.c
@@ -134,6 +134,13 @@ static int curl_glue_timer_callback(CURLM *curl, long timeout_ms, void *userdata
 
         assert(curl);
 
+        /* Don't configure timer anymore when the event loop is dead already. */
+        if (g->timer) {
+                sd_event *event_loop = sd_event_source_get_event(g->timer);
+                if (event_loop && sd_event_get_state(event_loop) == SD_EVENT_FINISHED)
+                        return 0;
+        }
+
         if (timeout_ms < 0) {
                 if (g->timer) {
                         if (sd_event_source_set_enabled(g->timer, SD_EVENT_OFF) < 0)