diff --git a/abduco.c b/abduco.c
index 3237059..9407a2c 100644
--- a/abduco.c
+++ b/abduco.c
@@ -184,6 +184,8 @@ static void usage() {
 static int create_socket_dir() {
 	size_t maxlen = sizeof(sockaddr.sun_path);
 	char *dir = getenv("HOME");
+	if (!dir)
+		dir = getenv("TMPDIR");
 	if (!dir)
 		dir = "/tmp";
 	int len = snprintf(sockaddr.sun_path, maxlen, "%s/.%s/", dir, server.name);