diff --git a/common/spl/spl_fit.c b/common/spl/spl_fit.c
index c9bfe0c..87ecf0b 100644
--- a/common/spl/spl_fit.c
+++ b/common/spl/spl_fit.c
@@ -333,7 +333,7 @@
 
 static int spl_fit_image_get_os(const void *fit, int noffset, uint8_t *os)
 {
-#if CONFIG_IS_ENABLED(FIT_IMAGE_TINY)
+#if CONFIG_IS_ENABLED(FIT_IMAGE_TINY) && !defined(CONFIG_SPL_OS_BOOT)
 	return -ENOTSUPP;
 #else
 	return fit_image_get_os(fit, noffset, os);