diff --git a/configure.ac b/configure.ac
index 847d6d33..0ff1bf87 100644
--- a/configure.ac
+++ b/configure.ac
@@ -129,6 +129,12 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],[[
 ]])], [AC_MSG_RESULT(yes)], [AC_DEFINE([DB_HAVE_NO_POWF],[1],[libm doesn't include powf])])
 LIBS=$LIBS_BACKUP
 
+dnl Look for clock_gettime, a DB_HAVE_CLOCK_GETTIME is set when present
+AH_TEMPLATE([DB_HAVE_CLOCK_GETTIME],[Determines if the function clock_gettime is available.])
+AC_SEARCH_LIBS([clock_gettime], [rt] , [found_clock_gettime=yes], [found_clock_gettime=no])
+if test x$found_clock_gettime = xyes; then
+  AC_DEFINE(DB_HAVE_CLOCK_GETTIME)
+fi
 
 dnl Checks for libraries.
 
diff --git a/src/ints/bios.cpp b/src/ints/bios.cpp
index 5e1f306c..67cf8e5f 100644
--- a/src/ints/bios.cpp
+++ b/src/ints/bios.cpp
@@ -32,8 +32,11 @@
 #include "setup.h"
 #include "serialport.h"
 #include <time.h>
+#ifdef DB_HAVE_CLOCK_GETTIME
+//time.h is already included
+#else
 #include <sys/timeb.h>
-
+#endif
 
 /* if mem_systems 0 then size_extended is reported as the real size else 
  * zero is reported. ems and xms can increase or decrease the other_memsystems
@@ -489,13 +492,23 @@ static Bitu INT11_Handler(void) {
 #endif
 
 static void BIOS_HostTimeSync() {
+	Bit32u milli = 0;
+#ifdef DB_HAVE_CLOCK_GETTIME
+	struct timespec tp;
+	clock_gettime(CLOCK_REALTIME,&tp);
+	
+	struct tm *loctime;
+	loctime = localtime(&tp.tv_sec);
+	milli = (Bit32u) (tp.tv_nsec / 1000000);
+#else
 	/* Setup time and date */
 	struct timeb timebuffer;
 	ftime(&timebuffer);
 	
 	struct tm *loctime;
 	loctime = localtime (&timebuffer.time);
-
+	milli = (Bit32u) timebuffer.millitm;
+#endif
 	/*
 	loctime->tm_hour = 23;
 	loctime->tm_min = 59;
@@ -513,7 +526,7 @@ static void BIOS_HostTimeSync() {
 		loctime->tm_hour*3600*1000+
 		loctime->tm_min*60*1000+
 		loctime->tm_sec*1000+
-		timebuffer.millitm))*(((double)PIT_TICK_RATE/65536.0)/1000.0));
+		milli))*(((double)PIT_TICK_RATE/65536.0)/1000.0));
 	mem_writed(BIOS_TIMER,ticks);
 }