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-rw-r--r--epan/expert.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/epan/expert.c b/epan/expert.c
index 414b42320a..21cef79a62 100644
--- a/epan/expert.c
+++ b/epan/expert.c
@@ -166,7 +166,7 @@ expert_set_info_vformat(packet_info *pinfo, proto_item *pi, int group, int sever
proto_tree *tree;
proto_item *ti;
- if (pinfo == NULL && pi->tree_data) {
+ if (pinfo == NULL && pi && pi->tree_data) {
pinfo = PTREE_DATA(pi)->pinfo;
}