diff --git a/bacnet-stack/src/bacapp.c b/bacnet-stack/src/bacapp.c
index 3be4a689..317db5c9 100644
--- a/bacnet-stack/src/bacapp.c
+++ b/bacnet-stack/src/bacapp.c
@@ -385,6 +385,7 @@ int bacapp_decode_data_len(
                 break;
             case BACNET_APPLICATION_TAG_UNSIGNED_INT:
             case BACNET_APPLICATION_TAG_SIGNED_INT:
+            case BACNET_APPLICATION_TAG_REAL:
             case BACNET_APPLICATION_TAG_DOUBLE:
             case BACNET_APPLICATION_TAG_OCTET_STRING:
             case BACNET_APPLICATION_TAG_CHARACTER_STRING: