diff --git a/src/AdaptivityFlagsMarkingStrategies.jl b/src/AdaptivityFlagsMarkingStrategies.jl
index 367e338..7685d4d 100644
--- a/src/AdaptivityFlagsMarkingStrategies.jl
+++ b/src/AdaptivityFlagsMarkingStrategies.jl
@@ -47,16 +47,16 @@ function _compute_thresholds(error_indicators,
     error_indicator.*error_indicator
   end 
 
-  ref_sq_min_estimate = map(sq_error_indicators, num_owned_cells) do sq_error_indicator, num_owned_cells
-    minimum(view(sq_error_indicator,1:num_owned_cells))
+  ref_min_estimate = map(sq_error_indicators, num_owned_cells) do sq_error_indicator, num_owned_cells
+    sqrt(minimum(view(sq_error_indicator,1:num_owned_cells)))
   end
 
-  ref_sq_max_estimate = map(sq_error_indicators, num_owned_cells) do sq_error_indicator, num_owned_cells
-    maximum(view(sq_error_indicator,1:num_owned_cells))
+  ref_max_estimate = map(sq_error_indicators, num_owned_cells) do sq_error_indicator, num_owned_cells
+    sqrt(maximum(view(sq_error_indicator,1:num_owned_cells)))
   end
 
-  ref_min_estimate=reduction(min,ref_sq_min_estimate,init=typemax(eltype(ref_sq_min_estimate)))
-  ref_max_estimate=reduction(max,ref_sq_max_estimate,init=typemin(eltype(ref_sq_max_estimate)))
+  ref_min_estimate=reduction(min,ref_min_estimate,init=typemax(eltype(ref_min_estimate)))
+  ref_max_estimate=reduction(max,ref_max_estimate,init=typemin(eltype(ref_max_estimate)))
 
   # We compute refinement thresholds by bisection of the interval spanned by
   # the smallest and largest error indicator. this leads to a small problem:
@@ -176,7 +176,7 @@ function _compute_thresholds(error_indicators,
       current_num_cells_to_be_refined = 0
       if (!refinement_converged)  
         for i=1:num_owned_cells
-          if (sq_error_indicators[i]>=ref_split_estimate*ref_split_estimate)
+          if (sq_error_indicators[i]>ref_split_estimate*ref_split_estimate)
             current_num_cells_to_be_refined += 1
           end
         end
diff --git a/test/AdaptivityFlagsMarkingStrategiesTests.jl b/test/AdaptivityFlagsMarkingStrategiesTests.jl
index 2f2da3f..afa1ad8 100644
--- a/test/AdaptivityFlagsMarkingStrategiesTests.jl
+++ b/test/AdaptivityFlagsMarkingStrategiesTests.jl
@@ -13,7 +13,7 @@ module AdaptivityFlagsMarkingStrategiesTests
                                            dmodel::OctreeDistributedDiscreteModel{Dc},
                                            order) where Dc
 
-    refinement_fraction=0.1
+    refinement_fraction=0.2
     coarsening_fraction=0.05
     cell_partition   = get_cell_gids(dmodel)
 
@@ -41,10 +41,6 @@ module AdaptivityFlagsMarkingStrategiesTests
       sqrt.(get_array(dc))
     end
 
-    # error_indicators = map(ranks,partition(cell_partition)) do rank, partition  
-    #     rand(local_length(partition))
-    # end
-
     ref_coarse_flags=map(ranks,partition(get_cell_gids(dmodel.dmodel))) do rank,indices
         flags=zeros(Cint,length(indices))
         flags.=nothing_flag