diff --git a/cmd/appstate.go b/cmd/appstate.go
index 9bb65fd05..4db95294f 100644
--- a/cmd/appstate.go
+++ b/cmd/appstate.go
@@ -130,7 +130,10 @@ func (a *appState) addPathFromUserInput(
 	stderr io.Writer,
 	src, dst, name string,
 ) error {
-	// TODO: confirm name is available before going through input.
+	// Check if path name already exists
+	if _, exists := a.config.Paths[name]; exists {
+		return fmt.Errorf("path with name %s already exists", name)
+	}
 
 	var (
 		value string