diff --git a/src/ereader_helpers.c b/src/ereader_helpers.c
index cf3ca16c3..894ad0012 100755
--- a/src/ereader_helpers.c
+++ b/src/ereader_helpers.c
@@ -15,7 +15,8 @@
 #include "constants/items.h"
 #include "constants/trainer_hill.h"
 
-STATIC_ASSERT(sizeof(struct TrainerHillChallenge) <= SECTOR_DATA_SIZE, TrainerHillChallengeFreeSpace);
+// Save data using TryWriteSpecialSaveSector is allowed to exceed SECTOR_DATA_SIZE (up to the counter field)
+STATIC_ASSERT(sizeof(struct TrainerHillChallenge) <= SECTOR_COUNTER_OFFSET, TrainerHillChallengeFreeSpace);
 
 struct SendRecvMgr
 {
diff --git a/src/recorded_battle.c b/src/recorded_battle.c
index 8256ce1fc..e8785b5f8 100644
--- a/src/recorded_battle.c
+++ b/src/recorded_battle.c
@@ -67,7 +67,8 @@ struct RecordedBattleSave
     u32 checksum;
 };
 
-STATIC_ASSERT(sizeof(struct RecordedBattleSave) <= SECTOR_DATA_SIZE, RecordedBattleSaveFreeSpace);
+// Save data using TryWriteSpecialSaveSector is allowed to exceed SECTOR_DATA_SIZE (up to the counter field)
+STATIC_ASSERT(sizeof(struct RecordedBattleSave) <= SECTOR_COUNTER_OFFSET, RecordedBattleSaveFreeSpace);
 
 EWRAM_DATA u32 gRecordedBattleRngSeed = 0;
 EWRAM_DATA u32 gBattlePalaceMoveSelectionRngValue = 0;