diff --git a/src/vpklib/packedstore.cpp b/src/vpklib/packedstore.cpp
index 331a9eab..0dea31ca 100644
--- a/src/vpklib/packedstore.cpp
+++ b/src/vpklib/packedstore.cpp
@@ -746,7 +746,7 @@ VPKEntryBlock_t::VPKEntryBlock_t(const uint8_t* pData, size_t nLen, int64_t nOff
 
 	size_t nFragmentCount = (nLen + VPK_ENTRY_MAX_LEN - 1) / VPK_ENTRY_MAX_LEN;
 	size_t nFileSize = nLen;
-	int64_t nCurrentOffset = nOffset;
+	uint64_t nCurrentOffset = nOffset;
 
 	for (size_t i = 0; i < nFragmentCount; i++) // Fragment data into 1 MiB chunks.
 	{