From d16865ff29d4771f404b216680e18fced7e9bae8 Mon Sep 17 00:00:00 2001
From: Steve Karg <skarg@users.sourceforge.net>
Date: Tue, 21 Apr 2026 15:03:23 -0500
Subject: [PATCH] fix: ensure COV subscriptions are initialized before
 processing SubscribeCOV requests (#1309)

---
 src/bacnet/basic/service/h_cov.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/bacnet/basic/service/h_cov.c b/src/bacnet/basic/service/h_cov.c
index bc902450..9bd9353e 100644
--- a/src/bacnet/basic/service/h_cov.c
+++ b/src/bacnet/basic/service/h_cov.c
@@ -871,6 +871,10 @@ void handler_cov_subscribe(
     BACNET_ADDRESS my_address = { 0 };
     bool error = false;
 
+    /* Has the COV Initialization been called? */
+    if (!COV_Subscriptions) {
+        handler_cov_init();
+    }
     /* initialize a common abort code */
     cov_data.error_code = ERROR_CODE_ABORT_SEGMENTATION_NOT_SUPPORTED;
     /* encode the NPDU portion of the packet */