diff --git a/epan/expert.c b/epan/expert.c
index cc737ec897..c549e86f39 100644
--- a/epan/expert.c
+++ b/epan/expert.c
@@ -34,9 +34,12 @@
 #include "tap.h"
 
 
+/* proto_expert cannot be static because it's referenced in the
+ * print routines
+ */
+int proto_expert              = -1;
 
 static int expert_tap         = -1;
-static int proto_expert       = -1;
 static int highest_severity   =  0;
 
 static int ett_expert         = -1;
diff --git a/epan/expert.h b/epan/expert.h
index 58bd9e44fa..87cd65f2e3 100644
--- a/epan/expert.h
+++ b/epan/expert.h
@@ -47,6 +47,11 @@ typedef struct expert_info_s {
 WS_VAR_IMPORT const value_string expert_severity_vals[];
 WS_VAR_IMPORT const value_string expert_group_vals[];
 
+/* "proto_expert" is exported from libwireshark.dll.
+ * Thus we need a special declaration.
+ */
+WS_VAR_IMPORT int proto_expert;
+
 extern void
 expert_init(void);
 
diff --git a/epan/libwireshark.def b/epan/libwireshark.def
index 1e568f07b4..3ccddb8ca0 100644
--- a/epan/libwireshark.def
+++ b/epan/libwireshark.def
@@ -744,6 +744,7 @@ proto_check_field_name
 proto_construct_match_selected_string
 proto_data                      DATA
 proto_enable_all
+proto_expert                    DATA
 proto_field_is_referenced
 proto_find_field_from_offset
 proto_find_finfo
diff --git a/print.c b/print.c
index 647a8d4e0b..0f0014cbb0 100644
--- a/print.c
+++ b/print.c
@@ -38,6 +38,7 @@
 #include <epan/tvbuff.h>
 #include <epan/packet.h>
 #include <epan/emem.h>
+#include <epan/expert.h>
 
 #include "packet-range.h"
 #include "print.h"
@@ -364,7 +365,7 @@ proto_tree_write_node_pdml(proto_node *node, gpointer data)
 	}
 	/* Normal protocols and fields */
 	else {
-		if (fi->hfinfo->type == FT_PROTOCOL) {
+		if (fi->hfinfo->type == FT_PROTOCOL && fi->hfinfo->id != proto_expert) {
 			fputs("<proto name=\"", pdata->fh);
 		}
 		else {
@@ -493,7 +494,8 @@ proto_tree_write_node_pdml(proto_node *node, gpointer data)
 			fputs("  ", pdata->fh);
 		}
 		/* Close off current element */
-		if (fi->hfinfo->id != proto_data) {   /* Data protocol uses simple tags */
+		/* Data and expert "protocols" use simple tags */
+		if (fi->hfinfo->id != proto_data && fi->hfinfo->id != proto_expert) {
 			if (fi->hfinfo->type == FT_PROTOCOL) {
 				fputs("</proto>\n", pdata->fh);
 			}