diff --git a/rust/src/dcerpc/dcerpc.rs b/rust/src/dcerpc/dcerpc.rs
index e5c26ed7d9..0769f5d43e 100644
--- a/rust/src/dcerpc/dcerpc.rs
+++ b/rust/src/dcerpc/dcerpc.rs
@@ -1050,7 +1050,7 @@ impl DCERPCState {
 
         let fraglen = self.get_hdr_fraglen().unwrap_or(0);
 
-        if (buffer.len() as u16) < fraglen {
+        if (buffer.len()) < fraglen as usize {
             SCLogDebug!("Possibly fragmented data, waiting for more..");
             self.extend_buffer(buffer, direction);
             return AppLayerResult::ok();