diff --git a/lib/common/Makefile.am b/lib/common/Makefile.am
index 44a4a68670..56afb376f8 100644
--- a/lib/common/Makefile.am
+++ b/lib/common/Makefile.am
@@ -1,50 +1,50 @@
 #
 # Copyright (C) 2004 Andrew Beekhof
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # as published by the Free Software Foundation; either version 2
 # of the License, or (at your option) any later version.
 # 
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 # 
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #
 MAINTAINERCLEANFILES    = Makefile.in
 
 AM_CPPFLAGS       	= -I$(top_builddir)/include  -I$(top_srcdir)/include   \
 		  -I$(top_builddir)/libltdl  -I$(top_srcdir)/libltdl   \
 		  -I$(top_builddir)/lib/gnu  -I$(top_srcdir)/lib/gnu
 
 ## libraries
 lib_LTLIBRARIES	= libcrmcommon.la
 
 # Can't use -Wcast-qual here because glib insists on pretending things are const  
 # when they're not and thus we need the crm_element_value_const() hack
 
 # s390 needs -fPIC 
 # s390-suse-linux/bin/ld: .libs/ipc.o: relocation R_390_PC32DBL against `__stack_chk_fail@@GLIBC_2.4' can not be used when making a shared object; recompile with -fPIC
 
 CFLAGS		= $(CFLAGS_COPY:-Wcast-qual=) -fPIC
 
 libcrmcommon_la_SOURCES	= compat.c digest.c ipc.c io.c procfs.c utils.c xml.c \
 			  iso8601.c remote.c mainloop.c logging.c watchdog.c
 if BUILD_CIBSECRETS
 libcrmcommon_la_SOURCES	+= cib_secrets.c
 endif
 
 libcrmcommon_la_LDFLAGS	= -version-info 8:0:5
-libcrmcommon_la_LIBADD  = @LIBADD_DL@ $(GNUTLSLIBS)
+libcrmcommon_la_LIBADD  = @LIBADD_DL@ $(GNUTLSLIBS) -lm
 libcrmcommon_la_SOURCES += $(top_builddir)/lib/gnu/md5.c
 
 clean-generic:
 	rm -f *.log *.debug *.xml *~
 
 install-exec-local:
 
 uninstall-local: