diff --git a/src/scripting/vm/jit.cpp b/src/scripting/vm/jit.cpp
index 3ed45d302c..c922d81596 100644
--- a/src/scripting/vm/jit.cpp
+++ b/src/scripting/vm/jit.cpp
@@ -272,11 +272,10 @@ void JitCompiler::EmitThrowException(EVMAbortException reason)
 
 	// Update JitExceptionInfo struct
 	cc.mov(x86::dword_ptr(exceptInfo, 0 * 4), (int32_t)reason);
-#ifdef ASMJIT_ARCH_64BIT
-	cc.mov(x86::qword_ptr(exceptInfo, 4 * 4), imm_ptr(pc));
-#else
-	cc.mov(x86::dword_ptr(exceptInfo, 4 * 4), imm_ptr(pc));
-#endif
+	if (cc.is64Bit())
+		cc.mov(x86::qword_ptr(exceptInfo, 4 * 4), imm_ptr(pc));
+	else
+		cc.mov(x86::dword_ptr(exceptInfo, 4 * 4), imm_ptr(pc));
 
 	// Return from function
 	X86Gp vReg = newTempInt32();
@@ -291,11 +290,10 @@ void JitCompiler::EmitThrowException(EVMAbortException reason, asmjit::X86Gp arg
 	// Update JitExceptionInfo struct
 	cc.mov(x86::dword_ptr(exceptInfo, 0 * 4), (int32_t)reason);
 	cc.mov(x86::dword_ptr(exceptInfo, 1 * 4), arg1);
-#ifdef ASMJIT_ARCH_64BIT
-	cc.mov(x86::qword_ptr(exceptInfo, 4 * 4), imm_ptr(pc));
-#else
-	cc.mov(x86::dword_ptr(exceptInfo, 4 * 4), imm_ptr(pc));
-#endif
+	if (cc.is64Bit())
+		cc.mov(x86::qword_ptr(exceptInfo, 4 * 4), imm_ptr(pc));
+	else
+		cc.mov(x86::dword_ptr(exceptInfo, 4 * 4), imm_ptr(pc));
 
 	// Return from function
 	X86Gp vReg = newTempInt32();
diff --git a/src/scripting/vm/jit_flow.cpp b/src/scripting/vm/jit_flow.cpp
index 1efab419bd..3fec98ec51 100644
--- a/src/scripting/vm/jit_flow.cpp
+++ b/src/scripting/vm/jit_flow.cpp
@@ -195,17 +195,20 @@ void JitCompiler::EmitRET()
 			break;
 		}
 		case REGT_POINTER:
-			#ifdef ASMJIT_ARCH_64BIT
-			if (regtype & REGT_KONST)
-				cc.mov(x86::qword_ptr(location), asmjit::imm_ptr(konsta[regnum].v));
+			if (cc.is64Bit())
+			{
+				if (regtype & REGT_KONST)
+					cc.mov(x86::qword_ptr(location), asmjit::imm_ptr(konsta[regnum].v));
+				else
+					cc.mov(x86::qword_ptr(location), regA[regnum]);
+			}
 			else
-				cc.mov(x86::qword_ptr(location), regA[regnum]);
-			#else
-			if (regtype & REGT_KONST)
-				cc.mov(x86::dword_ptr(location), asmjit::imm_ptr(konsta[regnum].v));
-			else
-				cc.mov(x86::dword_ptr(location), regA[regnum]);
-			#endif
+			{
+				if (regtype & REGT_KONST)
+					cc.mov(x86::dword_ptr(location), asmjit::imm_ptr(konsta[regnum].v));
+				else
+					cc.mov(x86::dword_ptr(location), regA[regnum]);
+			}
 			break;
 		}
 
diff --git a/src/scripting/vm/jit_load.cpp b/src/scripting/vm/jit_load.cpp
index 72faace9be..e8864af5c7 100644
--- a/src/scripting/vm/jit_load.cpp
+++ b/src/scripting/vm/jit_load.cpp
@@ -52,13 +52,10 @@ void JitCompiler::EmitLKS_R()
 	auto base = newTempIntPtr();
 	cc.mov(base, asmjit::imm_ptr(konsts + C));
 	auto ptr = newTempIntPtr();
-#ifdef ASMJIT_ARCH_64BIT
-	static_assert(sizeof(FString) == 8, "sizeof(FString) needs to be 8");
-	cc.lea(ptr, asmjit::x86::ptr(base, regD[B], 3));
-#else
-	static_assert(sizeof(FString) == 4, "sizeof(FString) needs to be 4");
-	cc.lea(ptr, asmjit::x86::ptr(base, regD[B], 2));
-#endif
+	if (cc.is64Bit())
+		cc.lea(ptr, asmjit::x86::ptr(base, regD[B], 3));
+	else
+		cc.lea(ptr, asmjit::x86::ptr(base, regD[B], 2));
 	auto call = CreateCall<void, FString*, FString*>(&JitCompiler::CallAssignString);
 	call->setArg(0, regS[A]);
 	call->setArg(1, ptr);
@@ -68,13 +65,10 @@ void JitCompiler::EmitLKP_R()
 {
 	auto base = newTempIntPtr();
 	cc.mov(base, asmjit::imm_ptr(konsta + C));
-#ifdef ASMJIT_ARCH_64BIT
-	static_assert(sizeof(FVoidObj) == 8, "sizeof(FVoidObj) needs to be 8");
-	cc.mov(regA[A], asmjit::x86::ptr(base, regD[B], 3));
-#else
-	static_assert(sizeof(FVoidObj) == 4, "sizeof(FVoidObj) needs to be 4");
-	cc.mov(regA[A], asmjit::x86::ptr(base, regD[B], 2));
-#endif
+	if (cc.is64Bit())
+		cc.mov(regA[A], asmjit::x86::ptr(base, regD[B], 3));
+	else
+		cc.mov(regA[A], asmjit::x86::ptr(base, regD[B], 2));
 }
 
 void JitCompiler::EmitLFP()