diff --git a/cubesatsim/pico-get-jpeg-serial.cpp b/cubesatsim/pico-get-jpeg-serial.cpp
index 14f9424c..d0bddcff 100644
--- a/cubesatsim/pico-get-jpeg-serial.cpp
+++ b/cubesatsim/pico-get-jpeg-serial.cpp
@@ -179,7 +179,7 @@ bool get_camera_image()  {
  #endif
   finished = false;
   Serial2.println("\r\n");
-  Serial2.fflush();
+  Serial2.flush();
   Serial.println("writing to Serial2");
   unsigned long time_start = millis();	    
   while ((!finished) && ((millis() - time_start) < CAMERA_TIMEOUT)) {
@@ -274,7 +274,7 @@ bool get_camera_image()  {
        } 
     }
     Serial2.println("\r\n");
-    Serial2.fflush();
+    Serial2.flush();
 //    Serial.println("writing to Serial2");
   }
   return(finished);