Index: uspace/app/viewer/viewer.c
===================================================================
--- uspace/app/viewer/viewer.c	(revision c06bd5ed7795dbe72b8636b5f1c95f4f81af6b6e)
+++ uspace/app/viewer/viewer.c	(revision 4c25f86b1558a507002d419609042765cdcc59fd)
@@ -517,6 +517,6 @@
 	if (viewer != NULL && viewer->imgs != NULL) {
 		for (u = 0; u < viewer->imgs_count; u++) {
-			if (viewer->imgs[i] != NULL)
-				free(viewer->imgs[i]);
+			if (viewer->imgs[u] != NULL)
+				free(viewer->imgs[u]);
 		}
 		free(viewer->imgs);