diff --git a/examples/case05/input/coord.txt b/examples/case05/input/coord.txt
index 8bd9dda..1f54708 100644
--- a/examples/case05/input/coord.txt
+++ b/examples/case05/input/coord.txt
@@ -1,5 +1,5 @@
 n mass radius x y z vx vy vz fix_x fix_y fix_z
-1 1 0.1 0 0 1 0 0 0   0 1 1
+1 1 0.1 0 0 0 0 0 0   0 1 1
 2 1 0.1 1 0 0 0 0 0   0 1 1
 3 1 0.1 2 0 0 0 0 0   0 1 1
 4 1 0.1 3 0 0 0 0 0   0 1 1