diff --git a/linker/aarch64.ld b/linker/aarch64.ld
index 5f9fc24..bac7e01 100644
--- a/linker/aarch64.ld
+++ b/linker/aarch64.ld
@@ -63,7 +63,7 @@ SECTIONS
     /DISCARD/ : { *(.comment) *(.gnu*) *(.note*) *(.eh_frame*) }
 }
 
-/*PROVIDE(current_el0_synchronous   = default_exception_handler);
+PROVIDE(current_el0_synchronous   = default_exception_handler);
 PROVIDE(current_el0_irq           = default_exception_handler);
 PROVIDE(current_el0_fiq           = default_exception_handler);
 PROVIDE(current_el0_serror        = default_exception_handler);
@@ -81,4 +81,4 @@ PROVIDE(lower_aarch64_serror      = default_exception_handler);
 PROVIDE(lower_aarch32_synchronous = default_exception_handler);
 PROVIDE(lower_aarch32_irq         = default_exception_handler);
 PROVIDE(lower_aarch32_fiq         = default_exception_handler);
-PROVIDE(lower_aarch32_serror      = default_exception_handler);*/
+PROVIDE(lower_aarch32_serror      = default_exception_handler);