diff --git a/crates/oxc_semantic/src/checker/javascript.rs b/crates/oxc_semantic/src/checker/javascript.rs
index 6b64fcb6022a9..6b2bf167f2df5 100644
--- a/crates/oxc_semantic/src/checker/javascript.rs
+++ b/crates/oxc_semantic/src/checker/javascript.rs
@@ -651,7 +651,7 @@ pub fn check_function_redeclaration(func: &Function, ctx: &SemanticBuilder<'_>)
     let current_scope_flags = ctx.current_scope_flags();
     if prev.flags.intersects(SymbolFlags::FunctionScopedVariable | SymbolFlags::Function)
         && (current_scope_flags.is_function()
-            || (ctx.source_type.is_script() && current_scope_flags.is_top()))
+            || (!ctx.source_type.is_module() && current_scope_flags.is_top()))
     {
         // https://tc39.github.io/ecma262/#sec-scripts-static-semantics-lexicallydeclarednames
         // `function a() {}; function a() {}` and `var a; function a() {}` are