diff --git a/lib/utils/fdt/fdt_domain.c b/lib/utils/fdt/fdt_domain.c
index bd0eec30..05686035 100644
--- a/lib/utils/fdt/fdt_domain.c
+++ b/lib/utils/fdt/fdt_domain.c
@@ -246,7 +246,7 @@ static int __fdt_parse_region(void *fdt, int domain_offset,
 
 	/* Read "base" DT property */
 	val = fdt_getprop(fdt, region_offset, "base", &len);
-	if (!val && len >= 8)
+	if (!val || len != 8)
 		return SBI_EINVAL;
 	val64 = fdt32_to_cpu(val[0]);
 	val64 = (val64 << 32) | fdt32_to_cpu(val[1]);
@@ -254,7 +254,7 @@ static int __fdt_parse_region(void *fdt, int domain_offset,
 
 	/* Read "order" DT property */
 	val = fdt_getprop(fdt, region_offset, "order", &len);
-	if (!val && len >= 4)
+	if (!val || len != 4)
 		return SBI_EINVAL;
 	val32 = fdt32_to_cpu(*val);
 	if (val32 < 3 || __riscv_xlen < val32)