diff --git a/src/iec61850/client/client_report.c b/src/iec61850/client/client_report.c
index ec6cd5db..e1448310 100644
--- a/src/iec61850/client/client_report.c
+++ b/src/iec61850/client/client_report.c
@@ -383,7 +383,7 @@ iedConnection_handleReport(IedConnection self, MmsValue* value)
 
     while (element != NULL) {
         ClientReport report = (ClientReport) element->data;
-        char defaultRptId[129];
+        char defaultRptId[130];
         char* rptId = report->rptId;
 
         if ((rptId == NULL)  || (rptId && (strlen(rptId) == 0))) {