diff --git a/headers/private/kernel/platform/openfirmware/openfirmware.h b/headers/private/kernel/platform/openfirmware/openfirmware.h
index e5ebf77ddd..7c82079c6b 100644
--- a/headers/private/kernel/platform/openfirmware/openfirmware.h
+++ b/headers/private/kernel/platform/openfirmware/openfirmware.h
@@ -20,7 +20,7 @@ template<typename AddressType>
 struct of_region {
 	AddressType base;
 	uint32 size;
-};
+} _PACKED;
 
 struct of_arguments {
 	const char	*name;