diff --git a/src/transformation/visitors/class/index.ts b/src/transformation/visitors/class/index.ts
index d4633995e..b01617171 100644
--- a/src/transformation/visitors/class/index.ts
+++ b/src/transformation/visitors/class/index.ts
@@ -202,7 +202,7 @@ function transformClassLikeDeclaration(
                 const iif = lua.createFunctionExpression(lua.createBlock(bodyStatements), [
                     lua.createIdentifier("self"),
                 ]);
-                const iife = lua.createCallExpression(iif, [className]);
+                const iife = lua.createCallExpression(iif, [localClassName]);
                 result.push(lua.createExpressionStatement(iife, member));
             }
         }
@@ -217,7 +217,7 @@ function transformClassLikeDeclaration(
         if (shouldBeExported(classDeclaration)) {
             const exportExpression = hasDefaultExportModifier(classDeclaration)
                 ? createDefaultExportExpression(classDeclaration)
-                : createExportedIdentifier(context, className);
+                : createExportedIdentifier(context, localClassName);
 
             const classAssignment = lua.createAssignmentStatement(exportExpression, localClassName);
             result.push(classAssignment);
diff --git a/test/unit/__snapshots__/identifiers.spec.ts.snap b/test/unit/__snapshots__/identifiers.spec.ts.snap
index 4a8ddc751..b90b10398 100644
--- a/test/unit/__snapshots__/identifiers.spec.ts.snap
+++ b/test/unit/__snapshots__/identifiers.spec.ts.snap
@@ -427,3 +427,18 @@ function ____exports.__main(self)
 end
 return ____exports"
 `;
+
+exports[`unicode static initialization block (#1645) 1`] = `
+"local ____lualib = require("lualib_bundle")
+local __TS__Class = ____lualib.__TS__Class
+local ____exports = {}
+____exports.default = __TS__Class()
+local _____81EA_5B9A_4E49_5F02_80FD = ____exports.default
+_____81EA_5B9A_4E49_5F02_80FD.name = "自定义异能"
+function _____81EA_5B9A_4E49_5F02_80FD.prototype.____constructor(self)
+end;
+(function(self)
+    local a = 1
+end)(_____81EA_5B9A_4E49_5F02_80FD)
+return ____exports"
+`;
diff --git a/test/unit/identifiers.spec.ts b/test/unit/identifiers.spec.ts
index 4ef550c4e..4156e83ff 100644
--- a/test/unit/identifiers.spec.ts
+++ b/test/unit/identifiers.spec.ts
@@ -317,6 +317,17 @@ test("unicode export default class", () => {
         .expectToEqual({ result: "你好" });
 });
 
+// https://github.com/TypeScriptToLua/TypeScriptToLua/issues/1645
+test("unicode static initialization block (#1645)", () => {
+    util.testModule`
+        export default class 自定义异能 {
+            static {
+                let a = 1;
+            }
+        }
+    `.expectLuaToMatchSnapshot();
+});
+
 describe("lua keyword as identifier doesn't interfere with lua's value", () => {
     test("variable (nil)", () => {
         util.testFunction`