diff --git a/tools/installer/lib/ide-setup.js b/tools/installer/lib/ide-setup.js
index 7f0e1603..4dbc8e57 100644
--- a/tools/installer/lib/ide-setup.js
+++ b/tools/installer/lib/ide-setup.js
@@ -68,7 +68,7 @@ class IdeSetup extends BaseIdeSetup {
   }
 
   async setupCursor(installDir, selectedAgent) {
-    const cursorRulesDir = path.join(installDir, ".cursor", "rules","bmad");
+    const cursorRulesDir = path.join(installDir, ".cursor", "rules", "bmad");
     const agents = selectedAgent ? [selectedAgent] : await this.getAllAgentIds(installDir);
 
     await fileManager.ensureDirectory(cursorRulesDir);