diff --git a/linker_scripts/us/undefined_syms.ld b/linker_scripts/us/undefined_syms.ld
index 49ed279b..d5cfddc5 100644
--- a/linker_scripts/us/undefined_syms.ld
+++ b/linker_scripts/us/undefined_syms.ld
@@ -39,3 +39,6 @@ D_A4000000 = 0xA4000000;
 D_A5000508 = 0xA5000508;
 D_A5000510 = 0xA5000510;
 
+D_01000100 = 0x01000100;
+D_01010100 = 0x01010100;
+