diff --git a/Source/mpqapi.cpp b/Source/mpqapi.cpp
index a79be494a..9beddeb7f 100644
--- a/Source/mpqapi.cpp
+++ b/Source/mpqapi.cpp
@@ -101,27 +101,24 @@ void __fastcall mpqapi_update_multi_creation_time(DWORD dwChar)
 {
 }
 
-BOOLEAN __fastcall mpqapi_reg_store_modification_time(char *pbData, int dwLen)
+BOOLEAN __fastcall mpqapi_reg_store_modification_time(char *pbData, DWORD dwLen)
 {
-	int v2;          // ebx
-	char *v3;        // ebp
-	char *v4;        // edi
-	unsigned int v5; // esi
-	char *v6;        // ecx
+	char *pbCurrentData;
+	DWORD i;
+	char *pbDataToXor;
 
-	v2 = dwLen;
-	v3 = pbData;
-	v4 = pbData;
-	if ((unsigned int)dwLen >= 8) {
-		v5 = (unsigned int)dwLen >> 3;
+	pbCurrentData = pbData;
+	if (dwLen >= 8) {
+		i = dwLen >> 3;
 		do {
-			v6 = v4;
-			v4 += 8;
-			mpqapi_xor_buf(v6);
-			--v5;
-		} while (v5);
+			pbDataToXor = pbCurrentData;
+			pbCurrentData += 8;
+			mpqapi_xor_buf(pbDataToXor);
+			--i;
+		} while (i);
 	}
-	return SRegSaveData("Diablo", "Video Player ", 0, (unsigned char *)v3, v2);
+
+	return SRegSaveData("Diablo", "Video Player ", 0, (unsigned char *)pbData, dwLen);
 }
 
 void __fastcall mpqapi_remove_hash_entry(const char *pszName)
diff --git a/Source/mpqapi.h b/Source/mpqapi.h
index 5d6046ea8..71d2c05bc 100644
--- a/Source/mpqapi.h
+++ b/Source/mpqapi.h
@@ -11,7 +11,7 @@ void __fastcall mpqapi_store_creation_time(const char *pszArchive, int dwChar);
 BOOLEAN __fastcall mpqapi_reg_load_modification_time(char *dst, int size);
 void __fastcall mpqapi_xor_buf(char *pbData);
 void __fastcall mpqapi_update_multi_creation_time(DWORD dwChar);
-BOOLEAN __fastcall mpqapi_reg_store_modification_time(char *pbData, int dwLen);
+BOOLEAN __fastcall mpqapi_reg_store_modification_time(char *pbData, DWORD dwLen);
 _BLOCKENTRY *__fastcall j_mpqapi_remove_hash_entry(char *pszName);
 void __fastcall mpqapi_remove_hash_entry(const char *pszName);
 void __fastcall mpqapi_free_block(int block_offset, int block_size);