diff --git a/test/main.sh b/test/main.sh
index e5d90b1..96f1bca 100755
--- a/test/main.sh
+++ b/test/main.sh
@@ -1,13 +1,14 @@
 #!/bin/bash
 
-CC_COMMAND='g++ -Wall -Wextra -Werror -pedantic -D__PROGTEST__ -Wdouble-promotion -Wfloat-conversion'
+CC_COMMAND='g++ -Wall -Wextra -Werror -pedantic -D__PROGTEST__'
 
 RED="\e[31m"
 GREEN="\e[32m"
 YELLOW="\e[33m"
 RESET="\e[0m"
 
-DIFF_COMMAND="diff --color"
+DIFF_COMMAND="diff --color" # Enable colors by default
+SORT_COMMAND="cat" # Just print it by default
 
 check_all=false
 
@@ -20,6 +21,9 @@ for arg in "$@"; do
 			# Disable colored output, because alpine diff is missing --color flag
 			DIFF_COMMAND="diff"
 			;;
+		--sort|-s)
+			SORT_COMMAND="sort"
+			;;
 	esac
 done
 
@@ -86,7 +90,7 @@ _test_dir() {
 		input_file=${input//*\/}
 		test_case_number=${input_file%%_in.txt}
 
-		if ! $DIFF_COMMAND <(./a.out < "test_data/${test_case_number}_in.txt")  "test_data/${test_case_number}_out.txt"; then
+		if ! $DIFF_COMMAND <(./a.out < "test_data/${test_case_number}_in.txt" | $SORT_COMMAND)  <($SORT_COMMAND "test_data/${test_case_number}_out.txt"); then
 			EXIT_STATUS=1
 			((failed_inputs++))
 			_log 2 "$dir (#$test_case_number)"