diff --git a/examples/pour/in.pour.2d b/examples/pour/in.pour.2d
index 3a2f0e3fc5..98541d6d87 100644
--- a/examples/pour/in.pour.2d
+++ b/examples/pour/in.pour.2d
@@ -31,7 +31,7 @@ fix		ywalls all wall/gran 4000.0 NULL 100.0 NULL 0 1 &
  
 region          slab block 1.0 99.0 30 34.5 -0.5 0.5 units box
 fix             ins all pour 1000 1 4767548 vol 0.4 10 &
-	        diam 0.5 1.0 region slab
+	        diam range 0.5 1.0 region slab
 
 fix             3 all enforce2d