diff --git a/src/core/core-command.c b/src/core/core-command.c
index 8fd1bb493..e3c4ff839 100644
--- a/src/core/core-command.c
+++ b/src/core/core-command.c
@@ -7401,7 +7401,7 @@ command_upgrade_display (struct t_gui_buffer *buffer,
     str_first_start[0] = '\0';
     str_last_start[0] = '\0';
 
-    weechat_last_start_time = (time_t)weechat_current_start_timeval.tv_sec;
+    weechat_last_start_time = weechat_current_start_timeval.tv_sec;
 
     if (translated_string)
     {
diff --git a/src/plugins/plugin-api-info.c b/src/plugins/plugin-api-info.c
index 31fb34b82..cde6c971b 100644
--- a/src/plugins/plugin-api-info.c
+++ b/src/plugins/plugin-api-info.c
@@ -1042,7 +1042,7 @@ plugin_api_info_uptime_current_cb (const void *pointer, void *data,
     (void) info_name;
 
     return plugin_api_info_build_uptime (
-        (time_t)weechat_current_start_timeval.tv_sec,
+        weechat_current_start_timeval.tv_sec,
         arguments);
 }