diff --git a/nspr/config/Makefile.in b/nspr/config/Makefile.in
index 54357b7..fd59e1a 100644
--- a/nspr/config/Makefile.in
+++ b/nspr/config/Makefile.in
@@ -54,10 +54,10 @@ include $(topsrcdir)/config/rules.mk
 
 PROGS	= $(OBJDIR)/now$(PROG_SUFFIX)
 
-ifeq (,$(CROSS_COMPILE)$(filter-out WINNT,$(OS_ARCH)))
+ifneq (,$(CROSS_COMPILE))
 TARGETS = $(PROGS)
 else
-ifeq (,$(filter-out WINCE,$(OS_ARCH)))
+ifeq (,$(filter-out WIN95 WINCE WINMO,$(OS_TARGET)))
 TARGETS = $(PROGS)
 else
 PROGS	+= $(OBJDIR)/nsinstall$(PROG_SUFFIX)