diff --git a/src/BackgroundThread.cpp b/src/BackgroundThread.cpp
index 42706be..322929e 100644
--- a/src/BackgroundThread.cpp
+++ b/src/BackgroundThread.cpp
@@ -42,6 +42,5 @@ BOOL BackgroundThread::whileLoop() {
             OSSleepTicks(OSSecondsToTicks(5));
         }
     }
-    OSSleepTicks(OSMillisecondsToTicks(1));
     return true;
 }
diff --git a/src/ftp.c b/src/ftp.c
index db5f8da..5867c2e 100644
--- a/src/ftp.c
+++ b/src/ftp.c
@@ -958,9 +958,11 @@ recv_loop_end:
 bool process_ftp_events(int32_t server) {
     bool network_down = !process_accept_events(server);
     int client_index;
+    bool hasActiveClients = false;
     for (client_index = 0; client_index < MAX_CLIENTS; client_index++) {
         client_t *client = clients[client_index];
         if (client) {
+            hasActiveClients = true;
             if (client->data_callback) {
                 process_data_events(client);
             } else {
@@ -968,5 +970,10 @@ bool process_ftp_events(int32_t server) {
             }
         }
     }
+    if (!hasActiveClients) {
+        OSSleepTicks(OSMillisecondsToTicks(100));
+    } else {
+        OSSleepTicks(OSMillisecondsToTicks(1));
+    }
     return network_down;
 }