diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 6662cb2690..80bb69ecc4 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -8709,7 +8709,7 @@ static void Cmd_various(void)
         else
             gBattlescriptCurrInstr += 7;   // can heal
         return;
-    case VARIOUS_REMOVE_TERRAIN:        
+    case VARIOUS_REMOVE_TERRAIN:
         switch (gFieldStatuses & STATUS_FIELD_TERRAIN_ANY)
         {
         case STATUS_FIELD_MISTY_TERRAIN:
@@ -12075,35 +12075,60 @@ static void Cmd_getsecretpowereffect(void)
 u16 GetSecretPowerMoveEffect(void)
 {
     u16 moveEffect;
-    switch (gBattleTerrain)
+    u32 fieldTerrain = gFieldStatuses & STATUS_FIELD_TERRAIN_ANY;
+    if (fieldTerrain)
     {
-    case BATTLE_TERRAIN_GRASS:
-        moveEffect = MOVE_EFFECT_SLEEP;
-        break;
-    case BATTLE_TERRAIN_LONG_GRASS:
-        moveEffect = MOVE_EFFECT_SLEEP;
-        break;
-    case BATTLE_TERRAIN_SAND:
-        moveEffect = MOVE_EFFECT_ACC_MINUS_1;
-        break;
-    case BATTLE_TERRAIN_UNDERWATER:
-        moveEffect = MOVE_EFFECT_ATK_MINUS_1;
-        break;
-    case BATTLE_TERRAIN_WATER:
-        moveEffect = MOVE_EFFECT_ATK_MINUS_1;
-        break;
-    case BATTLE_TERRAIN_POND:
-        moveEffect = MOVE_EFFECT_ATK_MINUS_1;
-        break;
-    case BATTLE_TERRAIN_MOUNTAIN:
-        moveEffect = MOVE_EFFECT_ACC_MINUS_1;
-        break;
-    case BATTLE_TERRAIN_CAVE:
-        moveEffect = MOVE_EFFECT_FLINCH;
-        break;
-    default:
-        moveEffect = MOVE_EFFECT_PARALYSIS;
-        break;
+        switch (fieldTerrain)
+        {
+        case STATUS_FIELD_MISTY_TERRAIN:
+            moveEffect = MOVE_EFFECT_SP_ATK_MINUS_1;
+            break;
+        case STATUS_FIELD_GRASSY_TERRAIN:
+            moveEffect = MOVE_EFFECT_SLEEP;
+            break;
+        case STATUS_FIELD_ELECTRIC_TERRAIN:
+            moveEffect = MOVE_EFFECT_PARALYSIS;
+            break;
+        case STATUS_FIELD_PSYCHIC_TERRAIN:
+            moveEffect = MOVE_EFFECT_SPD_MINUS_1;
+            break;
+        default:
+            moveEffect = MOVE_EFFECT_PARALYSIS;
+            break;
+        }
+    }
+    else
+    {    
+        switch (gBattleTerrain)
+        {
+        case BATTLE_TERRAIN_GRASS:
+            moveEffect = MOVE_EFFECT_SLEEP;
+            break;
+        case BATTLE_TERRAIN_LONG_GRASS:
+            moveEffect = MOVE_EFFECT_SLEEP;
+            break;
+        case BATTLE_TERRAIN_SAND:
+            moveEffect = MOVE_EFFECT_ACC_MINUS_1;
+            break;
+        case BATTLE_TERRAIN_UNDERWATER:
+            moveEffect = MOVE_EFFECT_ATK_MINUS_1;
+            break;
+        case BATTLE_TERRAIN_WATER:
+            moveEffect = MOVE_EFFECT_ATK_MINUS_1;
+            break;
+        case BATTLE_TERRAIN_POND:
+            moveEffect = MOVE_EFFECT_ATK_MINUS_1;
+            break;
+        case BATTLE_TERRAIN_MOUNTAIN:
+            moveEffect = MOVE_EFFECT_ACC_MINUS_1;
+            break;
+        case BATTLE_TERRAIN_CAVE:
+            moveEffect = MOVE_EFFECT_FLINCH;
+            break;
+        default:
+            moveEffect = MOVE_EFFECT_PARALYSIS;
+            break;
+        }
     }
     return moveEffect;
 }