diff --git a/Source/Project64-core/N64System/Recompiler/x86/x86ops.cpp b/Source/Project64-core/N64System/Recompiler/x86/x86ops.cpp
index ea0ebcd4d..c8b3c8157 100644
--- a/Source/Project64-core/N64System/Recompiler/x86/x86ops.cpp
+++ b/Source/Project64-core/N64System/Recompiler/x86/x86ops.cpp
@@ -162,13 +162,13 @@ void CX86Ops::CallFunc(uint32_t FunctPtr, const char * FunctName)
 }
 
 #ifdef _MSC_VER
-void CX86Ops::CallThis(uint32_t ThisPtr, uint32_t FunctPtr, char * FunctName, uint32_t /*StackSize*/)
+void CX86Ops::CallThis(uint32_t ThisPtr, uint32_t FunctPtr, const char * FunctName, uint32_t /*StackSize*/)
 {
     mov(asmjit::x86::ecx, ThisPtr);
     CallFunc(FunctPtr, FunctName);
 }
 #else
-void CX86Ops::CallThis(uint32_t ThisPtr, uint32_t FunctPtr, char * FunctName, uint32_t StackSize)
+void CX86Ops::CallThis(uint32_t ThisPtr, uint32_t FunctPtr, const char * FunctName, uint32_t StackSize)
 {
     push(ThisPtr);
     CallFunc(FunctPtr, FunctName);
diff --git a/Source/Project64-core/N64System/Recompiler/x86/x86ops.h b/Source/Project64-core/N64System/Recompiler/x86/x86ops.h
index bc7b53369..cdf92f587 100644
--- a/Source/Project64-core/N64System/Recompiler/x86/x86ops.h
+++ b/Source/Project64-core/N64System/Recompiler/x86/x86ops.h
@@ -39,7 +39,7 @@ public:
     void X86HardBreakPoint();
     void X86BreakPoint(const char * FileName, int32_t LineNumber);
     void CallFunc(uint32_t FunctPtr, const char * FunctName);
-    void CallThis(uint32_t ThisPtr, uint32_t FunctPtr, char * FunctName, uint32_t StackSize);
+    void CallThis(uint32_t ThisPtr, uint32_t FunctPtr, const char * FunctName, uint32_t StackSize);
     void CompConstToVariable(void * Variable, const char * VariableName, uint32_t Const);
     void CompConstToX86reg(const asmjit::x86::Gp & Reg, uint32_t Const);
     void CompX86regToVariable(const asmjit::x86::Gp & Reg, void * Variable, const char * VariableName);