diff --git a/libs/utils/chunkstream.cpp b/libs/utils/chunkstream.cpp
index 88e4cbf..14dd447 100644
--- a/libs/utils/chunkstream.cpp
+++ b/libs/utils/chunkstream.cpp
@@ -79,14 +79,20 @@ uint ChunkStream::readVInt(QDataStream & s) {
 	uchar bytes[4];
 	s >> bytes[0];
 	uchar abc = 0;
-	for (abc = 0; abc < 3; ++abc) {
-		uchar mask = (0x80 >> abc);
-		if ((bytes[0] & mask) == mask) {
-			// if (s.isEmpty()) return 0;
-			bytes[0] &= (mask - 1);
-			s >> bytes[abc + 1];
-		} else
-			break;
+	if (bytes[0] == 0xf0) {
+		abc = 3;
+		for (int i = 0; i < 4; ++i)
+			s >> bytes[i];
+	} else {
+		for (abc = 0; abc < 3; ++abc) {
+			uchar mask = (0x80 >> abc);
+			if ((bytes[0] & mask) == mask) {
+				// if (s.isEmpty()) return 0;
+				bytes[0] &= (mask - 1);
+				s >> bytes[abc + 1];
+			} else
+				break;
+		}
 	}
 	uint ret = 0;
 	for (int i = 0; i <= abc; ++i) {
@@ -97,18 +103,15 @@ uint ChunkStream::readVInt(QDataStream & s) {
 
 
 void ChunkStream::writeVInt(QDataStream & s, uint val) {
-	if (val > 0xfffffff) return;
 	if (val <= 0x7f) {
 		s << uchar(val);
-		return;
-	}
-	if (val <= 0x3fff) {
+	} else if (val <= 0x3fff) {
 		s << uchar((val >> 8) | 0x80) << uchar(val & 0xff);
-		return;
-	}
-	if (val <= 0x1fffff) {
+	} else if (val <= 0x1fffff) {
 		s << uchar((val >> 16) | 0xc0) << uchar((val >> 8) & 0xff) << uchar(val & 0xff);
-		return;
+	} else if (val <= 0xfffffff) {
+		s << uchar((val >> 24) | 0xe0) << uchar((val >> 16) & 0xff) << uchar((val >> 8) & 0xff) << uchar(val & 0xff);
+	} else {
+		s << uchar(0xf0) << uchar((val >> 24) & 0xff) << uchar((val >> 16) & 0xff) << uchar((val >> 8) & 0xff) << uchar(val & 0xff);
 	}
-	s << uchar((val >> 24) | 0xe0) << uchar((val >> 16) & 0xff) << uchar((val >> 8) & 0xff) << uchar(val & 0xff);
 }