diff --git a/plugins/out_azure_blob/azure_blob.c b/plugins/out_azure_blob/azure_blob.c
index 57ffd90ad43..69bcc0713f9 100644
--- a/plugins/out_azure_blob/azure_blob.c
+++ b/plugins/out_azure_blob/azure_blob.c
@@ -2430,6 +2430,10 @@ static int cb_worker_exit(void *data, struct flb_config *config)
     struct worker_info *info;
     struct flb_azure_blob *ctx = data;
 
+    if (!ctx) {
+        return 0;
+    }
+
     flb_plg_info(ctx->ins, "initializing worker");
 
     info = FLB_TLS_GET(worker_info);
diff --git a/plugins/out_kafka_rest/kafka.c b/plugins/out_kafka_rest/kafka.c
index f1e5efc2d19..272c63df092 100644
--- a/plugins/out_kafka_rest/kafka.c
+++ b/plugins/out_kafka_rest/kafka.c
@@ -338,6 +338,10 @@ static int cb_kafka_exit(void *data, struct flb_config *config)
 {
     struct flb_kafka_rest *ctx = data;
 
+    if (!ctx) {
+        return 0;
+    }
+
     flb_kr_conf_destroy(ctx);
     return 0;
 }
diff --git a/plugins/out_kafka_rest/kafka_conf.c b/plugins/out_kafka_rest/kafka_conf.c
index eae5dc9da81..f428c8f3be1 100644
--- a/plugins/out_kafka_rest/kafka_conf.c
+++ b/plugins/out_kafka_rest/kafka_conf.c
@@ -197,6 +197,10 @@ struct flb_kafka_rest *flb_kr_conf_create(struct flb_output_instance *ins,
 
 int flb_kr_conf_destroy(struct flb_kafka_rest *ctx)
 {
+    if (!ctx) {
+        return 0;
+    }
+    
     flb_free(ctx->topic);
     flb_free(ctx->http_user);
     flb_free(ctx->http_passwd);
diff --git a/plugins/out_nats/nats.c b/plugins/out_nats/nats.c
index 589b57061a4..ef4b8ea8042 100644
--- a/plugins/out_nats/nats.c
+++ b/plugins/out_nats/nats.c
@@ -231,6 +231,10 @@ int cb_nats_exit(void *data, struct flb_config *config)
     (void) config;
     struct flb_out_nats_config *ctx = data;
 
+    if (!ctx) {
+        return 0;
+    }
+
     flb_upstream_destroy(ctx->u);
     flb_free(ctx);