diff --git a/ports/raspberrypi/boards/jpconstantineau_pykey60/pico-sdk-configboard.h b/ports/raspberrypi/boards/jpconstantineau_pykey60/pico-sdk-configboard.h
index 36da55d457..a41131dd22 100644
--- a/ports/raspberrypi/boards/jpconstantineau_pykey60/pico-sdk-configboard.h
+++ b/ports/raspberrypi/boards/jpconstantineau_pykey60/pico-sdk-configboard.h
@@ -1 +1,4 @@
 // Put board-specific pico-sdk definitions here. This file must exist.
+
+// Allow extra time for xosc to start.
+#define PICO_XOSC_STARTUP_DELAY_MULTIPLIER 64