diff --git a/src/full-codegen/full-codegen.h b/src/full-codegen/full-codegen.h
index 954d4c0d81..f82566a74d 100644
--- a/src/full-codegen/full-codegen.h
+++ b/src/full-codegen/full-codegen.h
@@ -83,8 +83,7 @@ class FullCodeGenerator: public AstVisitor {
 #elif V8_TARGET_ARCH_ARM
   static const int kCodeSizeMultiplier = 149;
 #elif V8_TARGET_ARCH_ARM64
-// TODO(all): Copied ARM value. Check this is sensible for ARM64.
-  static const int kCodeSizeMultiplier = 149;
+  static const int kCodeSizeMultiplier = 220;
 #elif V8_TARGET_ARCH_PPC64
   static const int kCodeSizeMultiplier = 200;
 #elif V8_TARGET_ARCH_PPC