diff --git a/src/include/ndpi_api.h b/src/include/ndpi_api.h
index 3abe2080d0e..a63e29c7ff3 100644
--- a/src/include/ndpi_api.h
+++ b/src/include/ndpi_api.h
@@ -1742,7 +1742,7 @@ extern "C" {
   void ndpi_serialize_confidence(ndpi_serializer *serializer, ndpi_confidence_t confidence);
   void ndpi_serialize_proto(struct ndpi_detection_module_struct *ndpi_struct,
                             ndpi_serializer *serializer,
-                            ndpi_risk_enum risk,
+                            ndpi_risk risk,
                             ndpi_confidence_t confidence,
                             ndpi_protocol l7_protocol);
   const char* ndpi_risk2str(ndpi_risk_enum risk);
diff --git a/src/lib/ndpi_utils.c b/src/lib/ndpi_utils.c
index 0e86314a0e0..27a197d0fc0 100644
--- a/src/lib/ndpi_utils.c
+++ b/src/lib/ndpi_utils.c
@@ -1117,7 +1117,7 @@ void ndpi_serialize_confidence(ndpi_serializer *serializer,
 
 void ndpi_serialize_proto(struct ndpi_detection_module_struct *ndpi_struct,
                           ndpi_serializer *serializer,
-                          ndpi_risk_enum risk,
+                          ndpi_risk risk,
                           ndpi_confidence_t confidence,
                           ndpi_protocol l7_protocol)
 {