diff --git a/bacnet-stack/lib/makefile.b32 b/bacnet-stack/lib/makefile.b32
index d77d90c4..5ef5a5cd 100644
--- a/bacnet-stack/lib/makefile.b32
+++ b/bacnet-stack/lib/makefile.b32
@@ -125,6 +125,7 @@ HANDLER_SRC = \
 	$(BACNET_HANDLER)\h_upt.c  \
 	$(BACNET_HANDLER)\h_pt.c  \
 	$(BACNET_HANDLER)\h_pt_a.c  \
+	$(BACNET_HANDLER)\h_rr.c \
 	$(BACNET_HANDLER)\s_upt.c  \
 	$(BACNET_HANDLER)\s_wp.c
 
@@ -138,6 +139,7 @@ OBJECT_SRC = $(BACNET_OBJECT)\device.c \
 	$(BACNET_OBJECT)\lc.c \
 	$(BACNET_OBJECT)\lsp.c \
 	$(BACNET_OBJECT)\mso.c \
+	$(BACNET_OBJECT)\ms-input.c \
 	$(BACNET_OBJECT)\trendlog.c \
 	$(BACNET_OBJECT)\bacfile.c
 
diff --git a/bacnet-stack/src/ptransfer.c b/bacnet-stack/src/ptransfer.c
index a273dbdf..5f37f3a5 100644
--- a/bacnet-stack/src/ptransfer.c
+++ b/bacnet-stack/src/ptransfer.c
@@ -54,6 +54,8 @@ int pt_encode_apdu(
         serviceParameters      [2] ABSTRACT-SYNTAX.&Type OPTIONAL
     }
 */
+    /* unused parameter */
+    max_apdu = max_apdu;
     if (apdu) {
         len =
             encode_context_unsigned(&apdu[apdu_len], 0,