diff --git a/arch/arm64/src/Toolchain.defs b/arch/arm64/src/Toolchain.defs
index c8d6052ca2..1150b661f9 100644
--- a/arch/arm64/src/Toolchain.defs
+++ b/arch/arm64/src/Toolchain.defs
@@ -80,6 +80,10 @@ ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y)
   ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error
 endif
 
+ifeq ($(CONFIG_MM_KASAN_ALL),y)
+  ARCHOPTIMIZATION += -fsanitize=kernel-address
+endif
+
 ifeq ($(CONFIG_ARCH_FPU),y)
   ARCHCXXFLAGS += -D_LDBL_EQ_DBL
   ARCHCFLAGS   += -D_LDBL_EQ_DBL