diff --git a/include/constants/battle_config.h b/include/constants/battle_config.h
index 89134daf9187..d9e0abf104c9 100644
--- a/include/constants/battle_config.h
+++ b/include/constants/battle_config.h
@@ -130,6 +130,7 @@
 #define B_LURE_BALL_MODIFIER        GEN_7 // In Gen7+, Lure Ball's catch multiplier is x5 instead of x3.
 #define B_HEAVY_BALL_MODIFIER       GEN_7 // In Gen7+, Heavy Ball's ranges change. See Cmd_handleballthrow.
 #define B_DREAM_BALL_MODIFIER       GEN_8 // In Gen8, Dream Ball's catch multiplier is x4 when the target is asleep or has the ability Comatose.
+#define B_SPORT_BALL_MODIFIER       GEN_8 // In Gen8, Sport Ball's catch multiplier was reduced from x1.5 to x1.
 #define B_SERENE_GRACE_BOOST        GEN_7 // In Gen5+, Serene Grace boosts the added flinch chance of King's Rock and Razor Fang.
 
 // Flag settings
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 18fa5bbdffd1..944255cfc95e 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -13721,10 +13721,14 @@ static void Cmd_handleballthrow(void)
             {
             case ITEM_ULTRA_BALL:
                 ballMultiplier = 20;
+                break;
+        #if B_SPORT_BALL_MODIFIER <= GEN_7
+            case ITEM_SPORT_BALL:
+        #endif
             case ITEM_GREAT_BALL:
             case ITEM_SAFARI_BALL:
-            case ITEM_SPORT_BALL:
                 ballMultiplier = 15;
+                break;
             case ITEM_NET_BALL:
                 if (IS_BATTLER_OF_TYPE(gBattlerTarget, TYPE_WATER) || IS_BATTLER_OF_TYPE(gBattlerTarget, TYPE_BUG))
                     #if B_NET_BALL_MODIFIER >= GEN_7