diff --git a/src/server/Makefile.am b/src/server/Makefile.am
--- a/src/server/Makefile.am
+++ b/src/server/Makefile.am
@@ -1,8 +1,10 @@
+COMMON_SOURCES =  slavefuncs.c slavefuncs.h blendjob.h
+
 bin_PROGRAMS = distrend distrenslave
-distrend_SOURCES = distrend.c slavefuncs.c slavefuncs.h
+distrend_SOURCES = distrend.c ${COMMON_SOURCES}
 distrend_LDADD = @DISTLIBS_LIBS@ @top_builddir@/src/common/libdistrencommon.la
 distrend_CFLAGS = @DISTLIBS_CFLAGS@ -I@top_srcdir@/src/common
 
-distrenslave_SOURCES = slave.c slavefuncs.c slavefuncs.h 
+distrenslave_SOURCES = slave.c ${COMMON_SOURCES}
 distrenslave_LDADD = @DISTLIBS_LIBS@ @top_builddir@/src/common/libdistrencommon.la
 distrenslave_CFLAGS = @DISTLIBS_CFLAGS@ -I@top_srcdir@/src/common