diff --git a/src/backend_x64/interface_x64.cpp b/src/backend_x64/interface_x64.cpp
index 23595746..76ee0bad 100644
--- a/src/backend_x64/interface_x64.cpp
+++ b/src/backend_x64/interface_x64.cpp
@@ -54,7 +54,7 @@ struct Jit::Impl {
         return routines.RunCode(&jit_state, code_ptr, cycle_count);
     }
 
-    std::string Disassemble(Arm::LocationDescriptor descriptor) {
+    std::string Disassemble(const Arm::LocationDescriptor& descriptor) {
         auto block = GetBasicBlock(descriptor);
         std::string result = Common::StringFromFormat("address: %p\nsize: %zu bytes\n", block->code_ptr, block->size);
 
@@ -174,7 +174,7 @@ void Jit::SetFpscr(u32 value) const {
     return impl->jit_state.SetFpscr(value);
 }
 
-std::string Jit::Disassemble(Arm::LocationDescriptor descriptor) {
+std::string Jit::Disassemble(const Arm::LocationDescriptor& descriptor) {
     return impl->Disassemble(descriptor);
 }
 
diff --git a/src/interface/interface.h b/src/interface/interface.h
index aa2f32cb..9a3bcace 100644
--- a/src/interface/interface.h
+++ b/src/interface/interface.h
@@ -8,11 +8,14 @@
 
 #include <memory>
 
-#include "frontend/arm_types.h"
 #include "common/common_types.h"
 
 namespace Dynarmic {
 
+namespace Arm {
+struct LocationDescriptor;
+}
+
 class Jit;
 
 /// These function pointers may be inserted into compiled code.
@@ -82,7 +85,7 @@ public:
         return is_executing;
     }
 
-    std::string Disassemble(Arm::LocationDescriptor descriptor);
+    std::string Disassemble(const Arm::LocationDescriptor& descriptor);
 
 private:
     bool halt_requested = false;