diff --git a/src/rng.c b/src/rng.c
index daf6b65..045d97a 100644
--- a/src/rng.c
+++ b/src/rng.c
@@ -24,13 +24,16 @@ static uint32_t mt_getInt(void);
 
 void rng_init(void) {
   uint32_t i;
+  int need_init;
 
+  need_init = 1; // Initialize by default.
 #ifdef LINUX
-  int fd; char buf[4];
-  fd = open("/dev/random", O_RDONLY);
+  int fd;
+  fd = open("/dev/urandom", O_RDONLY); // /dev/urandom is better then time seed.
   if(fd != -1) {
-    if(read(fd, buf, 4) < 4)
-      memcpy(&i, buf, 4);
+    i = sizeof(uint32_t)*624;
+    if(read(fd, &MT, i) == 1)
+      need_init = 0;
     else
       i = rng_timeEntropy();
     close(fd);
@@ -39,7 +42,8 @@ void rng_init(void) {
 #else
   i = rng_timeEntropy();
 #endif
-  mt_initArray(i);
+  if(need_init)
+    mt_initArray(i);
   for(i = 0; i < 10; i++)
     // Generate numbers to get away from poor initial values.
     mt_genArray();