Index: uspace/app/viewer/Makefile
===================================================================
--- uspace/app/viewer/Makefile	(revision 7218fe6b2a633b85c30cc17b7392712ed1b9163c)
+++ uspace/app/viewer/Makefile	(revision 8e7c9fe2061521836dfdd71c2a3c2786b6fefa3e)
@@ -41,4 +41,5 @@
 
 BINARY = viewer
+MATH = y
 
 SOURCES = \