diff --git a/src/common/gamecode/economy.c b/src/common/gamecode/economy.c
index f7c899ceb..3d77f244a 100644
--- a/src/common/gamecode/economy.c
+++ b/src/common/gamecode/economy.c
@@ -128,6 +128,7 @@ scramble(void *data, int n, size_t width)
   assert(width<=sizeof(temp));
   for (j=0;j!=n;++j) {
     int k = rand() % n;
+	if (k==j) continue;
     memcpy(temp, (char*)data+j*width, width);
     memcpy((char*)data+j*width, (char*)data+k*width, width);
     memcpy((char*)data+k*width, temp, width);