diff --git a/src/dynarmic/backend/arm64/emit_arm64_a32_coprocessor.cpp b/src/dynarmic/backend/arm64/emit_arm64_a32_coprocessor.cpp
index 746757e9..629c381c 100644
--- a/src/dynarmic/backend/arm64/emit_arm64_a32_coprocessor.cpp
+++ b/src/dynarmic/backend/arm64/emit_arm64_a32_coprocessor.cpp
@@ -24,7 +24,20 @@ static void EmitCoprocessorException() {
 }
 
 static void CallCoprocCallback(oaknut::CodeGenerator& code, EmitContext& ctx, A32::Coprocessor::Callback callback, IR::Inst* inst = nullptr, std::optional<Argument::copyable_reference> arg0 = {}, std::optional<Argument::copyable_reference> arg1 = {}) {
-    const auto Xresult = ctx.reg_alloc.PrepareForCallReg(inst, {}, arg0, arg1);
+    if (inst) {
+        const auto Xresult = ctx.reg_alloc.PrepareForCallReg(inst, {}, arg0, arg1);
+
+        if (callback.user_arg) {
+            code.MOV(X0, reinterpret_cast<u64>(*callback.user_arg));
+        }
+
+        code.MOV(Xscratch0, reinterpret_cast<u64>(callback.function));
+        code.BLR(Xscratch0);
+        code.MOV(Xresult, X0);
+        return;
+    }
+
+    ctx.reg_alloc.PrepareForCall({}, arg0, arg1);
 
     if (callback.user_arg) {
         code.MOV(X0, reinterpret_cast<u64>(*callback.user_arg));
@@ -32,7 +45,6 @@ static void CallCoprocCallback(oaknut::CodeGenerator& code, EmitContext& ctx, A3
 
     code.MOV(Xscratch0, reinterpret_cast<u64>(callback.function));
     code.BLR(Xscratch0);
-    code.MOV(Xresult, X0);
 }
 
 template<>