diff --git a/src/test1.bzz b/src/test1.bzz
index e36e3e0..b3eb7a6 100644
--- a/src/test1.bzz
+++ b/src/test1.bzz
@@ -16,7 +16,7 @@ TARGET_ALTITUDE = 10.1
  
 # Lennard-Jones parameters
 TARGET     = 5	#0.000001001
-EPSILON    = 80	#0.001
+EPSILON    = 800	#0.001
  
 # Lennard-Jones interaction magnitude
 function lj_magnitude(dist, target, epsilon) {