diff --git a/share/mk/bsd.lib.mk b/share/mk/bsd.lib.mk
--- a/share/mk/bsd.lib.mk
+++ b/share/mk/bsd.lib.mk
@@ -390,7 +390,7 @@
 
 .endif # !defined(INTERNALLIB)
 
-.if defined(INTERNALLIB) && ${MK_PIE} != "no"
+.if defined(INTERNALLIB) && ${MK_PIE} != "no" && defined(LIB) && !empty(LIB)
 PIEOBJS+=	${OBJS:.o=.pieo}
 DEPENDOBJS+=	${PIEOBJS}
 CLEANFILES+=	${PIEOBJS}