diff --git a/src/weather/gcal-weather-service.c b/src/weather/gcal-weather-service.c
index e6189326..70f22ee5 100644
--- a/src/weather/gcal-weather-service.c
+++ b/src/weather/gcal-weather-service.c
@@ -512,7 +512,7 @@ preprocess_gweather_reports (GcalWeatherService *self,
     {
       GWeatherInfo *gwi; /* unowned */
       gboolean valid_date;
-      glong gwi_dtime;
+      time_t gwi_dtime;
       gsize bucket;
 
       gwi = GWEATHER_INFO (iter->data);