diff --git a/Regression/Checksum/benchmarks_json/test_3d_open_bc_poisson_solver.json b/Regression/Checksum/benchmarks_json/test_3d_open_bc_poisson_solver.json
index 0453481ec60..0ca6bde570a 100644
--- a/Regression/Checksum/benchmarks_json/test_3d_open_bc_poisson_solver.json
+++ b/Regression/Checksum/benchmarks_json/test_3d_open_bc_poisson_solver.json
@@ -1,20 +1,20 @@
 {
   "lev=0": {
-    "Bx": 100915975.15792876,
-    "By": 157610677.31483692,
-    "Bz": 2.404060922276648e-13,
-    "Ex": 4.725066923361703e+16,
-    "Ey": 3.0253961494347724e+16,
-    "Ez": 3276584.4383433666,
+    "Bx": 100915975.15403552,
+    "By": 157610677.3147734,
+    "Bz": 1.2276713711194638e-13,
+    "Ex": 4.725066923359797e+16,
+    "Ey": 3.025396149317578e+16,
+    "Ez": 3276584.4383433824,
     "rho": 10994013582437.197
   },
   "electron": {
-    "particle_momentum_x": 5.701279599504008e-19,
-    "particle_momentum_y": 3.650453172860547e-19,
+    "particle_momentum_x": 5.701279599509506e-19,
+    "particle_momentum_y": 3.650453172383178e-19,
     "particle_momentum_z": 1.145432768297242e-10,
     "particle_position_x": 17.31408691249785,
-    "particle_position_y": 0.2583691267187801,
+    "particle_position_y": 0.25836912671878015,
     "particle_position_z": 10066.329600000008,
     "particle_weight": 19969036501.910976
   }
-}
+}
\ No newline at end of file