diff --git a/src/backend_x64/interface_x64.cpp b/src/backend_x64/interface_x64.cpp
index cab0a342..eb99f78f 100644
--- a/src/backend_x64/interface_x64.cpp
+++ b/src/backend_x64/interface_x64.cpp
@@ -144,7 +144,7 @@ void Jit::HaltExecution() {
 std::array<u32, 16>& Jit::Regs() {
     return impl->jit_state.Reg;
 }
-std::array<u32, 16> Jit::Regs() const {
+const std::array<u32, 16>& Jit::Regs() const {
     return impl->jit_state.Reg;
 }
 
@@ -152,7 +152,7 @@ std::array<u32, 64>& Jit::ExtRegs() {
     return impl->jit_state.ExtReg;
 }
 
-std::array<u32, 64> Jit::ExtRegs() const {
+const std::array<u32, 64>& Jit::ExtRegs() const {
     return impl->jit_state.ExtReg;
 }
 
diff --git a/src/interface/interface.h b/src/interface/interface.h
index b790b110..a3abdd21 100644
--- a/src/interface/interface.h
+++ b/src/interface/interface.h
@@ -72,9 +72,9 @@ public:
 
     /// View and modify registers.
     std::array<u32, 16>& Regs();
-    std::array<u32, 16> Regs() const;
+    const std::array<u32, 16>& Regs() const;
     std::array<u32, 64>& ExtRegs();
-    std::array<u32, 64> ExtRegs() const;
+    const std::array<u32, 64>& ExtRegs() const;
 
     /// View and modify CPSR.
     u32& Cpsr();