diff --git a/src/battle_asserts/issues/even_array_square_sum.clj b/src/battle_asserts/issues/even_array_square_sum.clj
index 8b6fff36..f07ad36f 100644
--- a/src/battle_asserts/issues/even_array_square_sum.clj
+++ b/src/battle_asserts/issues/even_array_square_sum.clj
@@ -3,7 +3,7 @@
 
 (def level :elementary)
 
-(def tags ["collections"])
+(def tags ["collections" "math"])
 
 (def description
   {:en "Find the sum of the squares of all even numbers in the array."