diff --git a/packages/svelte/src/compiler/phases/3-transform/client/visitors/RegularElement.js b/packages/svelte/src/compiler/phases/3-transform/client/visitors/RegularElement.js
index ce43d64d2d..e943059efa 100644
--- a/packages/svelte/src/compiler/phases/3-transform/client/visitors/RegularElement.js
+++ b/packages/svelte/src/compiler/phases/3-transform/client/visitors/RegularElement.js
@@ -468,12 +468,10 @@ function build_element_spread_attributes(
 
 	for (const attribute of attributes) {
 		if (attribute.type === 'Attribute') {
-			const name = get_attribute_name(element, attribute, context);
-			// TODO: handle has_call
 			const { value } = build_attribute_value(attribute.value, context);
 
 			if (
-				name === 'is' &&
+				attribute.name === 'is' &&
 				value.type === 'Literal' &&
 				context.state.metadata.namespace === 'html'
 			) {
@@ -491,7 +489,7 @@ function build_element_spread_attributes(
 				context.state.init.push(b.var(id, value));
 				values.push(b.init(attribute.name, b.id(id)));
 			} else {
-				values.push(b.init(name, value));
+				values.push(b.init(attribute.name, value));
 			}
 		} else {
 			values.push(b.spread(/** @type {Expression} */ (context.visit(attribute))));
diff --git a/packages/svelte/src/compiler/phases/3-transform/client/visitors/SvelteElement.js b/packages/svelte/src/compiler/phases/3-transform/client/visitors/SvelteElement.js
index d0b09a962b..6e120d6d2c 100644
--- a/packages/svelte/src/compiler/phases/3-transform/client/visitors/SvelteElement.js
+++ b/packages/svelte/src/compiler/phases/3-transform/client/visitors/SvelteElement.js
@@ -187,18 +187,18 @@ function build_dynamic_element_attributes(element, attributes, context, element_
 			attribute.type === 'SpreadAttribute' && attribute.metadata.expression.has_call;
 	}
 
-	if (needs_isolation || is_reactive) {
-		const id = context.state.scope.generate('attributes');
+	if (is_reactive) {
+		const id = b.id(context.state.scope.generate('attributes'));
 		context.state.init.push(b.let(id));
 
 		const update = b.stmt(
 			b.assignment(
 				'=',
-				b.id(id),
+				id,
 				b.call(
 					'$.set_attributes',
 					element_id,
-					b.id(id),
+					id,
 					b.object(values),
 					context.state.analysis.css.hash !== '' && b.literal(context.state.analysis.css.hash),
 					b.binary('!==', b.member(element_id, 'namespaceURI'), b.id('$.NAMESPACE_SVG')),