diff --git a/bacnet-stack/src/bip.c b/bacnet-stack/src/bip.c
index 347c6a5e..4aceaf3e 100644
--- a/bacnet-stack/src/bip.c
+++ b/bacnet-stack/src/bip.c
@@ -38,7 +38,9 @@
 #include "bacint.h"
 #include "bip.h"
 #include "net.h"        /* custom per port */
-
+#if PRINT_ENABLED
+#include <stdio.h>     /* for standard integer types uint8_t etc. */
+#endif
 static int BIP_Socket = -1;
 /* port to use - stored in host byte order */
 static uint16_t BIP_Port = 0xBAC0;