diff --git a/benchmarks/2d/function_field.geo b/benchmarks/2d/function_field.geo
index 85153d224542920bab3e1c8b706214897c56c7a9..e6f6b54de32580495e6a4e0a132825890d24b78e 100644
--- a/benchmarks/2d/function_field.geo
+++ b/benchmarks/2d/function_field.geo
@@ -1,5 +1,5 @@
 
-lc = 1;
+lc = 0.5;
 Point(1) = {0, 0, 0, lc};
 Point(2) = {1, 0,  0, lc} ;
 Point(3) = {1, 1, 0, lc} ;