diff --git a/Utils/gen-card.pl b/Utils/gen-card.pl
index 3c2e34b1c2c..582c7ab13bf 100755
--- a/Utils/gen-card.pl
+++ b/Utils/gen-card.pl
@@ -251,18 +251,18 @@ foreach my $ability (@abilities) {
                         $vars{'abilities'} .= "\n        this.addAbility(new " . $kw . 'Ability(' . $1 . '));';
                     } elsif ($keywords{$kw} eq 'cost') {
                         $ability =~ m/({.*})/g;
-                        $vars{'abilities'} .= "\n        this.addAbility(new " . $kw . 'Ability(new ManaCostsImpl("' . fixCost($1) . '")));';
+                        $vars{'abilities'} .= "\n        this.addAbility(new " . $kw . 'Ability(new ManaCostsImpl<>("' . fixCost($1) . '")));';
                         $vars{'abilitiesImports'} .= "\nimport mage.abilities.costs.mana.ManaCostsImpl;";
                     } elsif ($keywords{$kw} eq 'card, manaString') {
                         $ability =~ m/({.*})/g;
                         $vars{'abilities'} .= "\n        this.addAbility(new " . $kw . 'Ability(this, "' . fixCost($1) . '"));';
                     } elsif ($keywords{$kw} eq 'card, cost') {
                         $ability =~ m/({.*})/g;
-                        $vars{'abilities'} .= "\n        this.addAbility(new " . $kw . 'Ability(this, new ManaCostsImpl("' . fixCost($1) . '")));';
+                        $vars{'abilities'} .= "\n        this.addAbility(new " . $kw . 'Ability(this, new ManaCostsImpl<>("' . fixCost($1) . '")));';
                         $vars{'abilitiesImports'} .= "\nimport mage.abilities.costs.mana.ManaCostsImpl;";
 					} elsif ($keywords{$kw} eq 'cost, card') {
                         $ability =~ m/({.*})/g;
-                        $vars{'abilities'} .= "\n        this.addAbility(new " . $kw . 'Ability(new ManaCostsImpl("' . fixCost($1) . '"), this));';
+                        $vars{'abilities'} .= "\n        this.addAbility(new " . $kw . 'Ability(new ManaCostsImpl<>("' . fixCost($1) . '"), this));';
                         $vars{'abilitiesImports'} .= "\nimport mage.abilities.costs.mana.ManaCostsImpl;";
                     } elsif ($keywords{$kw} eq 'type') {
                         $ability =~ m/\s([a-zA-Z\s]*)/g;