diff --git a/src/battle_gfx_sfx_util.c b/src/battle_gfx_sfx_util.c
index cb3349ee3256..aa47a73540b4 100644
--- a/src/battle_gfx_sfx_util.c
+++ b/src/battle_gfx_sfx_util.c
@@ -897,7 +897,7 @@ void HandleSpeciesGfxDataChange(u8 battlerAtk, u8 battlerDef, bool32 megaEvo, bo
 
         if (GetBattlerSide(battlerAtk) == B_SIDE_PLAYER)
         {
-            if (B_TRANSFORM_SHINY >= GEN_4 && trackEnemyPersonality)
+            if (B_TRANSFORM_SHINY >= GEN_4 && trackEnemyPersonality && !megaEvo)
             {
                 personalityValue = GetMonData(&gEnemyParty[gBattlerPartyIndexes[battlerDef]], MON_DATA_PERSONALITY);
                 isShiny = GetMonData(&gEnemyParty[gBattlerPartyIndexes[battlerDef]], MON_DATA_IS_SHINY);
@@ -915,7 +915,7 @@ void HandleSpeciesGfxDataChange(u8 battlerAtk, u8 battlerDef, bool32 megaEvo, bo
         }
         else
         {
-            if (B_TRANSFORM_SHINY >= GEN_4 && trackEnemyPersonality)
+            if (B_TRANSFORM_SHINY >= GEN_4 && trackEnemyPersonality && !megaEvo)
             {
                 personalityValue = GetMonData(&gPlayerParty[gBattlerPartyIndexes[battlerDef]], MON_DATA_PERSONALITY);
                 isShiny = GetMonData(&gPlayerParty[gBattlerPartyIndexes[battlerDef]], MON_DATA_IS_SHINY);