diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsTranscodeMtpController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsTranscodeMtpController.java
index bbaaa31..c440499 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsTranscodeMtpController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsTranscodeMtpController.java
@@ -77,6 +77,12 @@
     public boolean onPreferenceClick(Preference preference) {
         SystemProperties.set(TRANSCODE_MTP_SYS_PROP_KEY,
                 Boolean.toString(mSwitchPreference.isChecked()));
+
+        final long previousFunctions = mUsbBackend.getCurrentFunctions();
+        // Toggle the MTP connection to reload file sizes for files shared via MTP clients
+        mUsbBackend.setCurrentFunctions(previousFunctions & ~UsbManager.FUNCTION_MTP);
+        mUsbBackend.setCurrentFunctions(previousFunctions);
+
         return true;
     }