diff --git a/testsuite/slurm_unit/slurmd/Makefile.am b/testsuite/slurm_unit/slurmd/Makefile.am
index 70fedc9d4151bf9f169bfd082f04d24b0336e88a..3202997da10dccc4ee408ebbde79fb2106b6b0ea 100644
--- a/testsuite/slurm_unit/slurmd/Makefile.am
+++ b/testsuite/slurm_unit/slurmd/Makefile.am
@@ -9,5 +9,7 @@ LDADD   = $(top_srcdir)/src/common/libcommon.la \
 	$(top_srcdir)/src/slurmd/shmem_struct.o \
 	$(top_srcdir)/src/slurmd/circular_buffer.o \
 	$(top_srcdir)/src/slurmd/credential_utils.o \
+	$(top_srcdir)/src/slurmd/io.o \
+	$(top_srcdir)/src/slurmd/pipes.o \
 	$(SSL_LIBS)