diff --git a/lib/gssapi/Makefile.am b/lib/gssapi/Makefile.am
index 31a04d28e..4b1ec71b5 100644
--- a/lib/gssapi/Makefile.am
+++ b/lib/gssapi/Makefile.am
@@ -267,6 +267,7 @@ noinst_PROGRAMS = test_cred test_kcred test_context test_ntlm
 
 test_context_SOURCES = test_context.c test_common.c test_common.h
 test_ntlm_SOURCES = test_ntlm.c test_common.c test_common.h
+test_acquire_cred_SOURCES = test_acquire_cred.c test_common.c test_common.h
 
 test_ntlm_LDADD = \
 	$(top_builddir)/lib/ntlm/libheimntlm.la \