Index: uspace/app/viewer/viewer.c
===================================================================
--- uspace/app/viewer/viewer.c	(revision d9be488aaf4d20f1c61c594ac3595cdf66202e01)
+++ uspace/app/viewer/viewer.c	(revision da904f78faa90988c60cd91d2c9b77264bca5d44)
@@ -44,4 +44,5 @@
 #include <surface.h>
 #include <codec/tga.h>
+#include <task.h>
 
 #define NAME  "viewer"