diff --git a/nw/Makefile.netware b/nw/Makefile.netware
index 4e53abb..4ccc4ee 100644
--- a/nw/Makefile.netware
+++ b/nw/Makefile.netware
@@ -96,7 +96,7 @@ LIBARCH_L = $(shell $(AWK) 'BEGIN {print tolower(ARGV[1])}' $(LIBARCH))
 -include $(OBJDIR)/version.inc
 
 # Global flags for all compilers
-CFLAGS	= $(OPT) -D$(DB) -DNETWARE -nostdinc
+CFLAGS	+= $(OPT) -D$(DB) -DNETWARE -nostdinc
 #CFLAGS	+= -DHAVE_CONFIG_H
 
 ifeq ($(CC),mwccnlm)