diff --git a/src/bin/eolian/docs_generator.c b/src/bin/eolian/docs_generator.c
index 6272d4681c..df8ad760f2 100644
--- a/src/bin/eolian/docs_generator.c
+++ b/src/bin/eolian/docs_generator.c
@@ -305,8 +305,8 @@ docs_generate_function(const Eolian_Function *fid, Eolian_Function_Type ftype, i
              curl += sizeof(" * @param[out] ") - 1;
              break;
            case EOLIAN_INOUT_PARAM:
-             eina_strbuf_append(buf, " * @param[inout] ");
-             curl += sizeof(" * @param[inout] ") - 1;
+             eina_strbuf_append(buf, " * @param[in,out] ");
+             curl += sizeof(" * @param[in,out] ") - 1;
              break;
           }
 
diff --git a/src/tests/eolian/data/class_simple_ref_eo.h b/src/tests/eolian/data/class_simple_ref_eo.h
index b430036a8e..75d8c0ccfd 100644
--- a/src/tests/eolian/data/class_simple_ref_eo.h
+++ b/src/tests/eolian/data/class_simple_ref_eo.h
@@ -49,7 +49,7 @@ EOAPI void  evas_obj_simple_b_set(void);
 /**
  * @brief comment foo
  *
- * @param[inout] b
+ * @param[in,out] b
  * @param[out] c
  *
  * @return comment for method return
diff --git a/src/tests/eolian/data/class_simple_ref_legacy.h b/src/tests/eolian/data/class_simple_ref_legacy.h
index 29889f8df9..b116d9fc49 100644
--- a/src/tests/eolian/data/class_simple_ref_legacy.h
+++ b/src/tests/eolian/data/class_simple_ref_legacy.h
@@ -41,7 +41,7 @@ EAPI void evas_object_simple_b_set(Class_Simple *obj);
 /**
  * @brief comment foo
  *
- * @param[inout] b
+ * @param[in,out] b
  * @param[out] c
  *
  * @return comment for method return