diff --git a/src/hci_transport_h4.c b/src/hci_transport_h4.c
index e9e8bb925..70ca9b4cc 100644
--- a/src/hci_transport_h4.c
+++ b/src/hci_transport_h4.c
@@ -197,7 +197,8 @@ static int h4_send_packet(uint8_t packet_type, uint8_t * packet, int size){
     while (size > 0) {
         int bytes_written = write(hci_transport_h4->ds->fd, data, size);
         if (bytes_written < 0) {
-            return bytes_written;
+            usleep(5000);
+            continue;
         }
         data += bytes_written;
         size -= bytes_written;
diff --git a/src/hci_transport_h5.c b/src/hci_transport_h5.c
index 209b0ce1d..7afb54e6e 100644
--- a/src/hci_transport_h5.c
+++ b/src/hci_transport_h5.c
@@ -179,7 +179,8 @@ static int    h5_send_packet(uint8_t packet_type, uint8_t *packet, int size){
     while (size > 0) {
         int bytes_written = write(hci_transport_h5->ds->fd, data, size);
         if (bytes_written < 0) {
-            return bytes_written;
+            usleep(5000);
+            continue;
         }
         data += bytes_written;
         size -= bytes_written;