diff --git a/configure.in b/configure.in
index e240051..f8a6b06 100644
--- a/configure.in
+++ b/configure.in
@@ -107,7 +107,7 @@ AC_CACHE_CHECK([for a parallel port], ac_cv_port_have_lpt,
 
 if test "$ac_cv_port_have_lpt" = yes
 then
-	AC_DEFINE([HAVE_LPT_PORT],[1],[Define if you have a parallel port and LCDproc knows how to talk to it.])
+	AC_DEFINE([HAVE_PCSTYLE_LPT_CONTROL],[1],[Define if you have a parallel port and LCDproc knows how to talk to it.])
 else
 	AC_MSG_WARN([Can't talk to the parallel port, disabling drivers that use it.])
 fi
diff --git a/server/drivers/timing.h b/server/drivers/timing.h
index 07f574d..3222b71 100644
--- a/server/drivers/timing.h
+++ b/server/drivers/timing.h
@@ -66,7 +66,7 @@
 #if defined DELAY_GETTIMEOFDAY
 # undef DELAY_NANOSLEEP
 # undef DELAY_IOCALLS
-#elif defined DELAY_IOCALLS && defined HAVE_LPT_PORT
+#elif defined DELAY_IOCALLS && defined HAVE_PCSTYLE_LPT_CONTROL
 # undef DELAY_GETTIMEOFDAY
 # undef DELAY_NANOSLEEP
 # include "port.h"