diff --git a/lib/libpam/libpam/Makefile b/lib/libpam/libpam/Makefile
index a315d1fb5a85..c4cb0a468026 100644
--- a/lib/libpam/libpam/Makefile
+++ b/lib/libpam/libpam/Makefile
@@ -65,7 +65,7 @@ STATIC_MODULES+= ${MODOBJDIR}/pam_deny/libpam_deny.a
 .if defined(MAKE_KERBEROS4) && !defined(NOCRYPT)
 STATIC_MODULES+= ${MODOBJDIR}/pam_kerberosIV/libpam_kerberosIV.a
 .endif
-.if defined(MAKE_KERBEROS5) && !defined(NOCRYPT)
+.if defined(MAKE_KERBEROS5__) && !defined(NOCRYPT)
 STATIC_MODULES+= ${MODOBJDIR}/pam_kerberos5/libpam_kerberos5.a
 .endif
 STATIC_MODULES+= ${MODOBJDIR}/pam_permit/libpam_permit.a
diff --git a/lib/libpam/modules/Makefile b/lib/libpam/modules/Makefile
index badc1344753d..fec6b77d89f1 100644
--- a/lib/libpam/modules/Makefile
+++ b/lib/libpam/modules/Makefile
@@ -29,7 +29,7 @@ SUBDIR+=	pam_deny
 .if defined(MAKE_KERBEROS4) && !defined(NOCRYPT)
 SUBDIR+=	pam_kerberosIV
 .endif
-.if defined(MAKE_KERBEROS5) && !defined(NOCRYPT)
+.if defined(MAKE_KERBEROS5__) && !defined(NOCRYPT)
 SUBDIR+=	pam_kerberos5
 .endif
 SUBDIR+=	pam_permit