diff --git a/lib/Makefile.netware b/lib/Makefile.netware
index a573e57ee984dc7ca7d4be3fd689756642d0ae5a..5e3e861bbb4b2506c66cec1d34f9dee0022facbe 100644
--- a/lib/Makefile.netware
+++ b/lib/Makefile.netware
@@ -488,6 +488,7 @@ endif
 	@echo $(DL)#define HAVE_UNISTD_H 1$(DL) >> $@
 	@echo $(DL)#define HAVE_UTIME 1$(DL) >> $@
 	@echo $(DL)#define HAVE_UTIME_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_WRITEV 1$(DL) >> $@
 	@echo $(DL)#define RETSIGTYPE void$(DL) >> $@
 	@echo $(DL)#define SIZEOF_STRUCT_IN_ADDR 4$(DL) >> $@
 	@echo $(DL)#define STDC_HEADERS 1$(DL) >> $@
diff --git a/src/Makefile.netware b/src/Makefile.netware
index 0bcc95ce06da63c99a3fa8bb3b46f6a5cd56adb5..671ff0c31945f86d23ab9e937ac4b9a25c5eba89 100644
--- a/src/Makefile.netware
+++ b/src/Makefile.netware
@@ -476,6 +476,7 @@ endif
 	@echo $(DL)#define HAVE_UNISTD_H 1$(DL) >> $@
 	@echo $(DL)#define HAVE_UTIME 1$(DL) >> $@
 	@echo $(DL)#define HAVE_UTIME_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_WRITEV 1$(DL) >> $@
 	@echo $(DL)#define RETSIGTYPE void$(DL) >> $@
 	@echo $(DL)#define SIZEOF_STRUCT_IN_ADDR 4$(DL) >> $@
 	@echo $(DL)#define STDC_HEADERS 1$(DL) >> $@