diff --git a/src/codec/packet/mod.rs b/src/codec/packet/mod.rs
index 08a217a..31473c2 100644
--- a/src/codec/packet/mod.rs
+++ b/src/codec/packet/mod.rs
@@ -30,7 +30,7 @@ impl Packet {
 
 	#[inline(always)]
 	pub unsafe fn is_empty(&self) -> bool {
-		self.0.buf.is_null()
+		self.0.size == 0
 	}
 }