diff --git a/benchmark/benchmark.r b/benchmark/benchmark.r
index dc7179b..cf9a3cc 100644
--- a/benchmark/benchmark.r
+++ b/benchmark/benchmark.r
@@ -1,4 +1,5 @@
 library(glue)
+Sys.setenv(LANG = "en")
 args = commandArgs(trailingOnly=TRUE)
 if (length(args)!=3) {
   stop("Only two arguments must be supplied (score & input_file & visualize).n", call.=FALSE)
diff --git a/benchmark/tests/test_files/exreport_error.test b/benchmark/tests/test_files/exreport_error.test
index 7d67fd2..0dd7421 100644
--- a/benchmark/tests/test_files/exreport_error.test
+++ b/benchmark/tests/test_files/exreport_error.test
@@ -1,9 +1,9 @@
 ****************************************************************************************************
 Error computing benchmark
 ****************************************************************************************************
-Error in file(file, "rt") : no se puede abrir la conexión
+Error in file(file, "rt") : cannot open the connection
 Calls: read.csv -> read.table -> file
-Además: Warning message:
+In addition: Warning message:
 In file(file, "rt") :
-  no fue posible abrir el archivo 'exreport/exreport_unknown.csv': No such file or directory
-Ejecución interrumpida
+  cannot open file 'exreport/exreport_unknown.csv': No such file or directory
+Execution halted