diff --git a/client/comms.c b/client/comms.c
index 86dca3ed..0c4efa73 100644
--- a/client/comms.c
+++ b/client/comms.c
@@ -364,7 +364,9 @@ void CloseProxmark(void) {
 	// Clean up our state
 	sp = NULL;
 	serial_port_name = NULL;
+#ifdef __BIONIC__
 	memset(&USB_communication_thread, 0, sizeof(pthread_t));
+#endif
 }