diff --git a/repos/os/src/drivers/nic/include/drivers/nic/uplink_client_base.h b/repos/os/src/drivers/nic/include/drivers/nic/uplink_client_base.h
index a3b31fcda3..730e602b81 100644
--- a/repos/os/src/drivers/nic/include/drivers/nic/uplink_client_base.h
+++ b/repos/os/src/drivers/nic/include/drivers/nic/uplink_client_base.h
@@ -230,7 +230,7 @@ class Genode::Uplink_client_base : Noncopyable
 
 			} catch (...) {
 
-				warning("exception while trying to forward packet from driver"
+				warning("exception while trying to forward packet from driver "
 				        "to Uplink connection TX");
 
 				return;