diff --git a/client/comms.c b/client/comms.c
index ab39cfb6b..869de55c6 100644
--- a/client/comms.c
+++ b/client/comms.c
@@ -646,7 +646,7 @@ int TestProxmark(void) {
             
             // reconfigure.
             if ( conn.send_via_fpc == false ) {
-                uart_reconfigure_timeouts(sp, UART_USB_CLIENT_RX_TIMEOUT_MS );
+                uart_reconfigure_timeouts(&sp, UART_USB_CLIENT_RX_TIMEOUT_MS );
             }
            
             return PM3_SUCCESS;