diff --git a/src/io.c b/src/io.c
index 732abe2..408e44e 100644
--- a/src/io.c
+++ b/src/io.c
@@ -34,7 +34,7 @@
 nc_read(struct nc_session *session, char *buf, size_t count, uint16_t *read_timeout)
 {
     size_t size = 0;
-    ssize_t r;
+    ssize_t r = -1;
     uint16_t sleep_count = 0;
 
     assert(session);
diff --git a/src/session_client.c b/src/session_client.c
index 8fa4f03..7eb7e37 100644
--- a/src/session_client.c
+++ b/src/session_client.c
@@ -1216,7 +1216,7 @@
     struct nc_rpc_getschema *rpc_gs;
     struct nc_rpc_subscribe *rpc_sub;
     struct lyd_node *data, *node;
-    const struct lys_module *ietfnc, *ietfncmon, *notifs, *ietfncwd = NULL;
+    const struct lys_module *ietfnc = NULL, *ietfncmon, *notifs, *ietfncwd = NULL;
     char str[11];
     uint64_t cur_msgid;