diff --git a/lib/node.c b/lib/node.c
index 4bb6aa2da..8725a0ed3 100644
--- a/lib/node.c
+++ b/lib/node.c
@@ -77,7 +77,7 @@ static int node_direction_destroy(struct node_direction *nd, struct node *n)
 {
 	int ret;
 
-	ret = list_destroy(&nd->signals, (dtor_cb_t) signal_destroy, true);
+	ret = list_destroy(&nd->signals, (dtor_cb_t) signal_decref, true);
 	if (ret)
 		return ret;
 
diff --git a/lib/path.c b/lib/path.c
index 015eda603..ae476e6ea 100644
--- a/lib/path.c
+++ b/lib/path.c
@@ -800,7 +800,7 @@ int path_destroy(struct path *p)
 #endif
 	list_destroy(&p->sources, (dtor_cb_t) path_source_destroy, true);
 	list_destroy(&p->destinations, (dtor_cb_t) path_destination_destroy, true);
-	list_destroy(&p->signals, (dtor_cb_t) signal_destroy, true);
+	list_destroy(&p->signals, (dtor_cb_t) signal_decref, true);
 
 	if (p->reader.pfds)
 		free(p->reader.pfds);
diff --git a/src/villas-pipe.cpp b/src/villas-pipe.cpp
index 59a3cb2ba..80c00803b 100644
--- a/src/villas-pipe.cpp
+++ b/src/villas-pipe.cpp
@@ -133,7 +133,7 @@ static void * send_loop(void *ctx)
 	struct sample *smps[node->out.vectorize];
 
 	/* Initialize memory */
-	unsigned pool_size = node_type(node)->pool_size ? node_type(node)->pool_size : LOG2_CEIL(node->out.vectorize));
+	unsigned pool_size = node_type(node)->pool_size ? node_type(node)->pool_size : LOG2_CEIL(node->out.vectorize);
 
 	ret = pool_init(&sendd.pool, pool_size, SAMPLE_LENGTH(DEFAULT_SAMPLE_LENGTH), node_memory_type(node, &memory_hugepage));
 
@@ -203,7 +203,7 @@ static void * recv_loop(void *ctx)
 	struct sample *smps[node->in.vectorize];
 
 	/* Initialize memory */
-	unsigned pool_size = node_type(node)->pool_size ? node_type(node)->pool_size : LOG2_CEIL(node->in.vectorize));
+	unsigned pool_size = node_type(node)->pool_size ? node_type(node)->pool_size : LOG2_CEIL(node->in.vectorize);
 
 	ret = pool_init(&recvv.pool, pool_size, SAMPLE_LENGTH(DEFAULT_SAMPLE_LENGTH), node_memory_type(node, &memory_hugepage));