diff --git a/src/ARMJIT_A64/ARMJIT_Compiler.cpp b/src/ARMJIT_A64/ARMJIT_Compiler.cpp
index 42435edf..62323ff0 100644
--- a/src/ARMJIT_A64/ARMJIT_Compiler.cpp
+++ b/src/ARMJIT_A64/ARMJIT_Compiler.cpp
@@ -218,7 +218,7 @@ Compiler::Compiler()
     mprotect(pageAligned, alignedSize, PROT_EXEC | PROT_READ | PROT_WRITE);
 
     SetCodeBase(pageAligned, pageAligned);
-    JitMemUseableSize = alignedSize;
+    JitMemMainSize = alignedSize;
 #endif
     SetCodePtr(0);
 
diff --git a/src/dolphin/Arm64Emitter.h b/src/dolphin/Arm64Emitter.h
index 3efc838a..4c495026 100644
--- a/src/dolphin/Arm64Emitter.h
+++ b/src/dolphin/Arm64Emitter.h
@@ -6,6 +6,7 @@
 
 #include <cstring>
 #include <functional>
+#include <stdint.h>
 
 #include "ArmCommon.h"
 #include "BitSet.h"
@@ -765,6 +766,7 @@ public:
   void UXTH(ARM64Reg Rd, ARM64Reg Rn);
 
   void UBFX(ARM64Reg Rd, ARM64Reg Rn, int lsb, int width) { UBFM(Rd, Rn, lsb, lsb + width - 1); }
+  void SBFX(ARM64Reg Rd, ARM64Reg Rn, int lsb, int width) { SBFM(Rd, Rn, lsb, lsb + width - 1); }
   // Load Register (Literal)
   void LDR(ARM64Reg Rt, u32 imm);
   void LDRSW(ARM64Reg Rt, u32 imm);