diff --git a/ares/Makefile.netware b/ares/Makefile.netware
index e530f0c050..f9a61d55ce 100644
--- a/ares/Makefile.netware
+++ b/ares/Makefile.netware
@@ -67,7 +67,6 @@ MPKXDC	= mkxdc
 
 # Global flags for all compilers
 CFLAGS	= $(OPT) -D$(DB) -DNETWARE -DHAVE_CONFIG_H -nostdinc
-CFLAGS	+= -D_AIX
 
 ifeq ($(CC),mwccnlm)
 LD	= mwldnlm
diff --git a/ares/ares.h b/ares/ares.h
index 85bfe23151..af1a52a9ee 100644
--- a/ares/ares.h
+++ b/ares/ares.h
@@ -20,7 +20,7 @@
 
 #include <sys/types.h>
 
-#ifdef _AIX
+#if defined(_AIX) || defined(NETWARE)
 /* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
    libc5-based Linux systems. Only include it on system that are known to
    require it! */