diff --git a/Timer.cpp b/Timer.cpp
index 89d5280..41b3479 100644
--- a/Timer.cpp
+++ b/Timer.cpp
@@ -110,16 +110,14 @@ std::string Timer::getSeed(int size) {
 
 #else
 
-  FILE *f = fopen("/dev/random","rb");
+  FILE *f = fopen("/dev/urandom","rb");
   if(f==NULL) {
-    printf("Failed to open /dev/random %s\n", strerror( errno ));
+    printf("Failed to open /dev/urandom %s\n", strerror( errno ));
     exit(1);
   }
-  for (int i = 0; i < size; i++) {
-    if( fread(buff+i,1,1,f)!=1 ) {
-      printf("Failed to read from /dev/random %s\n", strerror( errno ));
-      exit(1);
-	}
+  if( fread(buff,1,size,f)!=size ) {
+    printf("Failed to read from /dev/urandom %s\n", strerror( errno ));
+    exit(1);
   }
   fclose(f);