diff --git a/structs.h b/structs.h
index c11299dd5..38377f51c 100644
--- a/structs.h
+++ b/structs.h
@@ -1479,7 +1479,7 @@ typedef struct PkPlayerStruct {
 	int pMaxHPBase;
 	int pManaBase;
 	int pMaxManaBase;
-	char pSplLvl[MAX_SPELLS];
+	char pSplLvl[37]; // Should be MAX_SPELLS but set to 37 to make save games compatible
 	unsigned __int64 pMemSpells;
 	PkItemStruct InvBody[NUM_INVLOC];
 	PkItemStruct InvList[NUM_INV_GRID_ELEM];
@@ -1497,7 +1497,9 @@ typedef struct PkPlayerStruct {
 	BOOLEAN pManaShield;
 	char bReserved[3];
 	short wReflection;
-	short wReserved[7];
+	short wReserved2;
+	char pSplLvl2[10]; // Hellfire spells
+	short wReserved8;
 	DWORD pDiabloKillLevel;
 	int pDifficulty;
 	int pDamAcFlags;