Index: trunk/ppSub/src/Makefile.am
===================================================================
--- trunk/ppSub/src/Makefile.am	(revision 20053)
+++ trunk/ppSub/src/Makefile.am	(revision 20611)
@@ -7,8 +7,9 @@
 	ppSub.c			\
 	ppSubArguments.c	\
+	ppSubBackground.c	\
 	ppSubCamera.c		\
 	ppSubLoop.c		\
 	ppSubReadout.c		\
-	ppSubVersion.c            
+	ppSubVersion.c
 
 ppSubKernel_CPPFLAGS = $(PSLIB_CFLAGS) $(PSMODULE_CFLAGS) $(PPSUB_CFLAGS)