diff --git a/src/system/kernel/platform/u-boot/openfirmware.cpp b/src/system/kernel/platform/u-boot/openfirmware.cpp
index 9d2431551c..9a56ce93ce 100644
--- a/src/system/kernel/platform/u-boot/openfirmware.cpp
+++ b/src/system/kernel/platform/u-boot/openfirmware.cpp
@@ -56,6 +56,9 @@ static int fdt2of(int err)
 status_t
 of_init(int (*openFirmwareEntry)(void *))
 {
+	if (gFDT == NULL)
+		return OF_FAILED;
+
 	gChosen = fdt2of(fdt_path_offset(gFDT, "/chosen"));
 
 	if (gChosen == OF_FAILED)