diff --git a/common/patches/rof.cpp b/common/patches/rof.cpp
index d5303ccfb..9e81e8878 100644
--- a/common/patches/rof.cpp
+++ b/common/patches/rof.cpp
@@ -1081,7 +1081,7 @@ ENCODE(OP_PlayerProfile)
 	// zeroes for the rest of the spellbook slots
 	for(uint32 r = 0; r < structs::MAX_PP_SPELLBOOK - MAX_PP_SPELLBOOK; r++)
 	{
-		outapp->WriteUInt32(0);
+		outapp->WriteUInt32(0xFFFFFFFFU);
 	}
 
 	outapp->WriteUInt32(structs::MAX_PP_MEMSPELL);		// Memorised spell slots
@@ -1093,7 +1093,7 @@ ENCODE(OP_PlayerProfile)
 	// zeroes for the rest of the slots
 	for(uint32 r = 0; r < structs::MAX_PP_MEMSPELL - MAX_PP_MEMSPELL; r++)
 	{
-		outapp->WriteUInt32(0);
+		outapp->WriteUInt32(0xFFFFFFFFU);
 	}
 
 	outapp->WriteUInt32(13);			// Unknown count
diff --git a/common/patches/underfoot.cpp b/common/patches/underfoot.cpp
index 1eab127d5..524a4d23b 100644
--- a/common/patches/underfoot.cpp
+++ b/common/patches/underfoot.cpp
@@ -537,7 +537,8 @@ ENCODE(OP_PlayerProfile) {
 	OUT(WIS);
 	OUT(face);
 //	OUT(unknown02264[47]);
-	OUT_array(spell_book, structs::MAX_PP_SPELLBOOK);
+	memset(eq->spell_book, 0xFF, sizeof(uint32)* structs::MAX_PP_SPELLBOOK);
+	OUT_array(spell_book, 480U);
 //	OUT(unknown4184[128]);
 	OUT_array(mem_spells, structs::MAX_PP_MEMSPELL);
 //	OUT(unknown04396[32]);