1 files changed, 1 insertions, 0 deletions
diff --git a/src/polyp/def.h b/src/polyp/def.h
index 426a0c9b..98420bc0 100644
--- a/src/polyp/def.h
+++ b/src/polyp/def.h
@@ -125,6 +125,7 @@ enum {
     PA_ERR_MODINITFAILED,          /**< Module initialization failed */
     PA_ERR_BADSTATE,               /**< Bad state */
     PA_ERR_NODATA,                 /**< No data */ 
+    PA_ERR_VERSION,                /**< Incompatible protocol version \since 0.8 */
     PA_ERR_MAX                     /**< Not really an error but the first invalid error code */
 };