diff --git a/sys/unix/hints/linux b/sys/unix/hints/linux
index 1d9c45509..dcdee332d 100644
--- a/sys/unix/hints/linux
+++ b/sys/unix/hints/linux
@@ -20,7 +20,8 @@ VARDIR = $(HACKDIR)
 
 POSTINSTALL=cp -n sys/unix/sysconf $(INSTDIR)/sysconf; $(CHOWN) $(GAMEUID) $(INSTDIR)/sysconf; $(CHGRP) $(GAMEGRP) $(INSTDIR)/sysconf; chmod $(VARFILEPERM) $(INSTDIR)/sysconf;
 
-CFLAGS=-g -O -I../include -DNOTPARMDECL -DDLB
+CFLAGS=-g -O -I../include -DNOTPARMDECL
+CFLAGS+=-DDLB
 CFLAGS+=-DCOMPRESS=\"/bin/gzip\" -DCOMPRESS_EXTENSION=\".gz\"
 CFLAGS+=-DSYSCF -DSYSCF_FILE=\"$(HACKDIR)/sysconf\" -DSECURE
 CFLAGS+=-DTIMED_DELAY
@@ -33,7 +34,6 @@ CFLAGS+=-DCURSES_GRAPHICS
 #CFLAGS+=-DSCORE_ON_BOTL
 #CFLAGS+=-DMSGHANDLER
 #CFLAGS+=-DTTY_TILES_ESCCODES
-#CFLAGS+=-DDLB
 
 LINK=$(CC)
 # Only needed for GLIBC stack trace: