diff --git a/src/connectivity.c b/src/connectivity.c
index d50f412..acc7cbb 100644
--- a/src/connectivity.c
+++ b/src/connectivity.c
@@ -50,7 +50,7 @@ static struct NeoComm_directory_node *node_list;
 static unsigned int max_nodes;
 static unsigned int num_nodes;
 
-static int run;
+static int run = 0;
 static int sockfd;
 
 static pthread_t accept_thread;
@@ -151,6 +151,11 @@ void *NeoComm_connect_manager() {
 
 int NeoComm_init_directory(const unsigned int max_num_nodes,
 		const unsigned short portnum) {
+	if(run)
+	{
+		NeoComm_error("Already running");
+		return 0;
+	}
 	if(max_num_nodes == 0)
 	{
 		NeoComm_error("Insufficient number of nodes");