diff --git a/src/buzz_api.zig b/src/buzz_api.zig
index b9324b8b..40ea7576 100644
--- a/src/buzz_api.zig
+++ b/src/buzz_api.zig
@@ -15,6 +15,7 @@ const FunctionNode = @import("node.zig").FunctionNode;
 const dumpStack = @import("disassembler.zig").dumpStack;
 const ZigType = @import("zigtypes.zig").Type;
 const Token = @import("token.zig").Token;
+const MIRJIT = @import("mirjit.zig");
 
 const Value = _value.Value;
 const valueToStringAlloc = _value.valueToStringAlloc;
@@ -618,6 +619,11 @@ export fn bz_newVM(self: *VM) ?*VM {
         return null;
     };
 
+    vm.mir_jit = if (BuildOptions.jit)
+        MIRJIT.init(vm)
+    else
+        null;
+
     return vm;
 }
 
@@ -633,9 +639,11 @@ export fn bz_startVM(self: *VM) void {
     ) catch @panic("Out of memory");
 }
 
-export fn bz_deinitVM(_: *VM) void {
-    // FIXME
-    // self.deinit();
+export fn bz_deinitVM(self: *VM) void {
+    if (self.mir_jit) |*jit| {
+        jit.deinit();
+    }
+    self.deinit();
 }
 
 export fn bz_compile(self: *VM, source: ?[*]const u8, source_len: usize, file_name: ?[*]const u8, file_name_len: usize) ?*ObjFunction {