diff --git a/disassembler/disassembler_arm64.h b/disassembler/disassembler_arm64.h
index 28c0fa7..ad20c70 100644
--- a/disassembler/disassembler_arm64.h
+++ b/disassembler/disassembler_arm64.h
@@ -27,7 +27,7 @@
 
 class DisassemblerArm64 FINAL : public Disassembler {
  public:
-  DisassemblerArm64() {
+  explicit DisassemblerArm64(DisassemblerOptions* options) : Disassembler(options) {
     decoder.AppendVisitor(&disasm);
   }