diff --git a/modules/openapi-generator/src/main/resources/r/NAMESPACE.mustache b/modules/openapi-generator/src/main/resources/r/NAMESPACE.mustache
index b92da8e8b6e..fae0e548448 100644
--- a/modules/openapi-generator/src/main/resources/r/NAMESPACE.mustache
+++ b/modules/openapi-generator/src/main/resources/r/NAMESPACE.mustache
@@ -4,6 +4,9 @@
 # Core
 export(ApiClient)
 export(ApiResponse)
+{{#useRlangExceptionHandling}}
+export(ApiException) 
+{{/useRlangExceptionHandling}}
 
 # Models
 {{#models}}