diff --git a/src/bonus/checker b/src/bonus/checker
index 51e3e55080f9acc9421e6d6d3d5fa74f060708de..cdb5d6ea2e60cd4edfc61ccb3d0581b105126f9e 100755
--- a/src/bonus/checker
+++ b/src/bonus/checker
@@ -5,7 +5,7 @@ check_one() {
 	./functional < in/$1.in > out/$1.out
 	if cmp --silent -- out/$1.out ref/$1.ref; then
 		printf "Test %02d ................. PASSED: 1.5p\n" $1
-		TASK=$(($TASK + 1))
+		TASKS=$(($TASKS + 1))
 	else
 		printf "Test %02d ................. FAILED: 0.0p\n" $1
 	fi
@@ -16,7 +16,7 @@ check_one() {
 	for i in $(seq 1 19); do
 		check_one $i
 	done
-	printf "\nTASK BONUS SCORE: %.2f / 30.00\n\n" $(echo "scale=2; $TASK*1.5" | bc)
+	printf "\nTASK BONUS SCORE: %.2f / 30.00\n\n" $(echo "scale=2; $TASKS*1.5" | bc)
 #else
 #	check_one $1
 #fi