diff --git a/src/modules/mavlink/mavlink_main.cpp b/src/modules/mavlink/mavlink_main.cpp
index 326b0b5ab4..a76abc298d 100644
--- a/src/modules/mavlink/mavlink_main.cpp
+++ b/src/modules/mavlink/mavlink_main.cpp
@@ -249,7 +249,9 @@ Mavlink::~Mavlink()
 		} while (_task_running);
 	}
 
-	LL_DELETE(_mavlink_instances, this);
+	if (_mavlink_instances) {
+		LL_DELETE(_mavlink_instances, this);
+	}
 }
 
 void