1 files changed, 4 insertions, 4 deletions
diff --git a/src/core/arm/unicorn/arm_unicorn.h b/src/core/arm/unicorn/arm_unicorn.h
index 810aff311..1183e9541 100644
--- a/src/core/arm/unicorn/arm_unicorn.h
+++ b/src/core/arm/unicorn/arm_unicorn.h
@@ -26,10 +26,10 @@ public:
 
     void SetPC(u64 pc) override;
     u64 GetPC() const override;
-    u64 GetReg(int index) const override;
-    void SetReg(int index, u64 value) override;
-    u128 GetVectorReg(int index) const override;
-    void SetVectorReg(int index, u128 value) override;
+    u64 GetReg(std::size_t index) const override;
+    void SetReg(std::size_t index, u64 value) override;
+    u128 GetVectorReg(std::size_t index) const override;
+    void SetVectorReg(std::size_t index, u128 value) override;
     u32 GetPSTATE() const override;
     void SetPSTATE(u32 pstate) override;
     VAddr GetTlsAddress() const override;