diff --git a/jetty-quic/quic-quiche/quic-quiche-panama-jdk/src/main/java/org/eclipse/jetty/quic/quiche/panama/jdk/PanamaJdkQuicheConnection.java b/jetty-quic/quic-quiche/quic-quiche-panama-jdk/src/main/java/org/eclipse/jetty/quic/quiche/panama/jdk/PanamaJdkQuicheConnection.java
index ef3f5f2e5ba..cc8997c29bb 100644
--- a/jetty-quic/quic-quiche/quic-quiche-panama-jdk/src/main/java/org/eclipse/jetty/quic/quiche/panama/jdk/PanamaJdkQuicheConnection.java
+++ b/jetty-quic/quic-quiche/quic-quiche-panama-jdk/src/main/java/org/eclipse/jetty/quic/quiche/panama/jdk/PanamaJdkQuicheConnection.java
@@ -693,7 +693,7 @@ public class PanamaJdkQuicheConnection extends QuicheConnection
         {
             if (quicheConn == null)
                 throw new IllegalStateException("connection was released");
-            return quiche_h.quiche_conn_is_draining(quicheConn) != 0;
+            return quiche_h.quiche_conn_is_draining(quicheConn) != C_FALSE;
         }
     }