diff --git a/src/server/Makefile.am b/src/server/Makefile.am
--- a/src/server/Makefile.am
+++ b/src/server/Makefile.am
@@ -1,7 +1,7 @@
 COMMON_SOURCES =  slavefuncs.c slavefuncs.h distrenjob.c distrenjob.h
 
 bin_PROGRAMS = distrend distrenslave
-distrend_SOURCES = distrend.c ${COMMON_SOURCES}
+distrend_SOURCES = distrend.c ${COMMON_SOURCES} user_mgr.c user_mgr.h
 distrend_LDADD = @DISTLIBS_LIBS@ @top_builddir@/src/common/libdistrencommon.la
 distrend_CFLAGS = @DISTLIBS_CFLAGS@ -I@top_srcdir@/src/common