diff --git a/rpitx.py b/rpitx.py
index 9bf6f5da..5777781e 100644
--- a/rpitx.py
+++ b/rpitx.py
@@ -61,7 +61,7 @@ if __name__ == "__main__":
 						print("rpitx")
 						system("sudo gen_packets -o /home/pi/CubeSatSim/telem.wav /home/pi/CubeSatSim/t.txt -r 48000 > /dev/null 2>&1 && cat /home/pi/CubeSatSim/telem.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1")
 						print("closing")
-						close(f)
+						f.close()
 						print("deleting")
 						system("sudo rm ready")
 						time.sleep(0.5)