diff --git a/lib/Makefile.netware b/lib/Makefile.netware
index a4bdab6d3..0dfcc517d 100644
--- a/lib/Makefile.netware
+++ b/lib/Makefile.netware
@@ -331,6 +331,7 @@ endif
 ifeq ($(findstring posixpre,$(PRELUDE)),posixpre)
 	@echo $(DL)start POSIX_Start$(DL) >> $@
 	@echo $(DL)exit POSIX_Stop$(DL) >> $@
+	@echo $(DL)check POSIX_CheckUnload$(DL) >> $@
 else
 	@echo $(DL)start _LibCPrelude$(DL) >> $@
 	@echo $(DL)exit _LibCPostlude$(DL) >> $@
diff --git a/src/Makefile.netware b/src/Makefile.netware
index f2be75d41..dfb26804d 100644
--- a/src/Makefile.netware
+++ b/src/Makefile.netware
@@ -319,6 +319,7 @@ endif
 ifeq ($(findstring posixpre,$(PRELUDE)),posixpre)
 	@echo $(DL)start POSIX_Start$(DL) >> $@
 	@echo $(DL)exit POSIX_Stop$(DL) >> $@
+	@echo $(DL)check POSIX_CheckUnload$(DL) >> $@
 else
 	@echo $(DL)start _LibCPrelude$(DL) >> $@
 	@echo $(DL)exit _LibCPostlude$(DL) >> $@