diff --git a/src/plugins/splash/throbgress/plugin.c b/src/plugins/splash/throbgress/plugin.c
index 9e60ec5f..6687f920 100644
--- a/src/plugins/splash/throbgress/plugin.c
+++ b/src/plugins/splash/throbgress/plugin.c
@@ -529,7 +529,7 @@ start_animation (ply_boot_splash_plugin_t *plugin)
   plugin->is_animating = true;
 
   if (plugin->mode == PLY_BOOT_SPLASH_MODE_SHUTDOWN)
-    plugin->is_idle = TRUE;
+    plugin->is_idle = true;
 }
 
 static void