diff --git a/crates/swc/tests/tsc-references/superInStaticMembers1(target=es2022).2.minified.js b/crates/swc/tests/tsc-references/superInStaticMembers1(target=es2022).2.minified.js
index 1939d0deffb1..a56d6182ef52 100644
--- a/crates/swc/tests/tsc-references/superInStaticMembers1(target=es2022).2.minified.js
+++ b/crates/swc/tests/tsc-references/superInStaticMembers1(target=es2022).2.minified.js
@@ -373,8 +373,26 @@ class C extends B {
 }
 export { };
 //// [inContainingClassExprStaticField.ts]
+(class {
+    static{
+        class C extends B {
+            static{
+                this._ = super.w();
+            }
+        }
+    }
+});
 export { };
 //// [inContainingClassExprStaticBlock.ts]
+(class {
+    static{
+        class C extends B {
+            static{
+                super.w();
+            }
+        }
+    }
+});
 export { };
 //// [funcExprInContainingScopeStaticField.ts]
 class C extends B {
diff --git a/crates/swc_ecma_minifier/src/compress/optimize/mod.rs b/crates/swc_ecma_minifier/src/compress/optimize/mod.rs
index f709ee7f07c6..9875d3875496 100644
--- a/crates/swc_ecma_minifier/src/compress/optimize/mod.rs
+++ b/crates/swc_ecma_minifier/src/compress/optimize/mod.rs
@@ -698,6 +698,16 @@ impl Optimizer<'_> {
             }
 
             Expr::Class(cls) => {
+                if cls
+                    .class
+                    .body
+                    .iter()
+                    .any(|m| m.as_static_block().iter().any(|s| !s.body.is_empty()))
+                {
+                    // there's nothing we can do about it
+                    return Some(Expr::Class(cls.take()));
+                }
+
                 let exprs: Vec<Box<Expr>> =
                     extract_class_side_effect(&self.expr_ctx, *cls.class.take())
                         .into_iter()
diff --git a/crates/swc_ecma_minifier/tests/fixture/issues/8271/input.js b/crates/swc_ecma_minifier/tests/fixture/issues/8271/input.js
new file mode 100644
index 000000000000..caa5b683dbb1
--- /dev/null
+++ b/crates/swc_ecma_minifier/tests/fixture/issues/8271/input.js
@@ -0,0 +1,21 @@
+let $eb2fd35624c84372$var$A = (() => {
+    let _classDecorators = [$eb2fd35624c84372$var$CustomElement("component-a")];
+    let _classDescriptor;
+    let _classExtraInitializers = [];
+    let _classThis;
+    let _classSuper = HTMLElement;
+    var A = class extends _classSuper {
+        static {
+            _classThis = this;
+        }
+        static {
+            console.log(123);
+        }
+        constructor() {
+            super();
+            this.innerHTML = "Component A is working";
+        }
+    };
+    return (A = _classThis);
+})();
+console.log(new $eb2fd35624c84372$var$A().tagName);
diff --git a/crates/swc_ecma_minifier/tests/fixture/issues/8271/output.js b/crates/swc_ecma_minifier/tests/fixture/issues/8271/output.js
new file mode 100644
index 000000000000..ea8930a74c45
--- /dev/null
+++ b/crates/swc_ecma_minifier/tests/fixture/issues/8271/output.js
@@ -0,0 +1,16 @@
+console.log(new ((()=>{
+    let _classThis;
+    $eb2fd35624c84372$var$CustomElement("component-a");
+    let _classSuper = HTMLElement;
+    return class extends _classSuper {
+        static{
+            _classThis = this;
+        }
+        static{
+            console.log(123);
+        }
+        constructor(){
+            super(), this.innerHTML = "Component A is working";
+        }
+    }, _classThis;
+})())().tagName);
diff --git a/crates/swc_ecma_utils/src/lib.rs b/crates/swc_ecma_utils/src/lib.rs
index 8bd3d8fa1f12..efe0c85978fe 100644
--- a/crates/swc_ecma_utils/src/lib.rs
+++ b/crates/swc_ecma_utils/src/lib.rs
@@ -1523,7 +1523,11 @@ pub fn class_has_side_effect(expr_ctx: &ExprCtx, c: &Class) -> bool {
                     }
                 }
             }
-
+            ClassMember::StaticBlock(s) => {
+                if !s.body.stmts.is_empty() {
+                    return true;
+                }
+            }
             _ => {}
         }
     }