diff --git a/.changeset/smart-adults-shop.md b/.changeset/smart-adults-shop.md
new file mode 100644
index 00000000..8ceae43b
--- /dev/null
+++ b/.changeset/smart-adults-shop.md
@@ -0,0 +1,5 @@
+---
+'sv': patch
+---
+
+fix: add `resolve.conditions` to the `client` test config for the `vitest` add-on
diff --git a/packages/addons/vitest-addon/index.ts b/packages/addons/vitest-addon/index.ts
index 59819bb3..46f18d62 100644
--- a/packages/addons/vitest-addon/index.ts
+++ b/packages/addons/vitest-addon/index.ts
@@ -113,6 +113,7 @@ export default defineAddon({
 			const clientObjectExpression = object.create({
 				extends: common.createLiteral(`./vite.config.${ext}`),
 				plugins: common.expressionFromString('[svelteTesting()]'),
+				resolve: object.create({ conditions: common.expressionFromString("['browser']") }),
 				test: object.create({
 					name: common.createLiteral('client'),
 					environment: common.createLiteral('jsdom'),
@@ -141,7 +142,7 @@ export default defineAddon({
 			const vitestConfig = functions.argumentByIndex(defineWorkspaceCall, 0, object.createEmpty());
 			const testObject = object.property(vitestConfig, 'test', object.createEmpty());
 
-			const workspaceArray = object.property(testObject, 'workspace', array.createEmpty());
+			const workspaceArray = object.property(testObject, 'projects', array.createEmpty());
 			array.push(workspaceArray, clientObjectExpression);
 			array.push(workspaceArray, serverObjectExpression);