diff --git a/src/rp2_common/pico_runtime/runtime.c b/src/rp2_common/pico_runtime/runtime.c
index 5a5627b..dba0d3c 100644
--- a/src/rp2_common/pico_runtime/runtime.c
+++ b/src/rp2_common/pico_runtime/runtime.c
@@ -22,6 +22,10 @@
 #include "pico/time.h"
 #include "pico/printf.h"
 
+#if PICO_ENTER_USB_BOOT_ON_EXIT
+#include "pico/bootrom.h"
+#endif
+
 #ifndef PICO_NO_RAM_VECTOR_TABLE
 #define PICO_NO_RAM_VECTOR_TABLE 0
 #endif