diff --git a/test.sh b/test.sh
index faf85f4..1c201d8 100755
--- a/test.sh
+++ b/test.sh
@@ -45,7 +45,7 @@ for sample in $(ls $INPUT); do
   rm -f measurements.txt
   ln -s $sample measurements.txt
 
-  diff <("./calculate_average_$FORK.sh" | ./tocsv.sh) <(./tocsv.sh < ${sample%.txt}.out)
+  diff --color=always <("./calculate_average_$FORK.sh" | ./tocsv.sh) <(./tocsv.sh < ${sample%.txt}.out)
 done
 
 rm measurements.txt