diff --git a/sflphone-common/src/dbus/Makefile.am b/sflphone-common/src/dbus/Makefile.am
index 5a2745e257f0048291d1b6e60bf1fdb2d9b2e159..5ca2e42eeb78da476df2e00f775a9dfae787cdeb 100644
--- a/sflphone-common/src/dbus/Makefile.am
+++ b/sflphone-common/src/dbus/Makefile.am
@@ -38,7 +38,7 @@ service_DATA = $(service_in_files:.service.in=.service)
 
 # Rule to make the service file with bindir expanded
 $(service_DATA): $(service_in_files) Makefile
-	sed -e "s|libexec|$(prefix)/lib/sflphone|" $<> $@
+	sed -e "s|libexec|$(libdir)/sflphone|" $<> $@
 
 EXTRA_DIST = *.xml README