diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/SettingsActivity.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/SettingsActivity.java
index 596a5141..616e678a 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/SettingsActivity.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/SettingsActivity.java
@@ -7,11 +7,16 @@ import android.os.Bundle;
 import android.preference.ListPreference;
 import android.preference.Preference;
 import android.support.v4.content.LocalBroadcastManager;
+import android.widget.Toast;
 
+import java.io.IOException;
 import java.util.List;
 
+import nodomain.freeyourgadget.gadgetbridge.GBApplication;
 import nodomain.freeyourgadget.gadgetbridge.R;
 import nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandPreferencesActivity;
+import nodomain.freeyourgadget.gadgetbridge.util.FileUtils;
+import nodomain.freeyourgadget.gadgetbridge.util.GB;
 
 import static nodomain.freeyourgadget.gadgetbridge.model.ActivityUser.PREF_USER_GENDER;
 import static nodomain.freeyourgadget.gadgetbridge.model.ActivityUser.PREF_USER_HEIGHT_CM;
@@ -80,6 +85,26 @@ public class SettingsActivity extends AbstractSettingsActivity {
 
         });
 
+        pref = findPreference("log_to_file");
+        pref.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
+            @Override
+            public boolean onPreferenceChange(Preference preference, Object newVal) {
+                if (Boolean.TRUE.equals(newVal)) {
+                    try {
+                        FileUtils.getExternalFilesDir(); // ensures that it is created
+                    } catch (IOException ex) {
+                        GB.toast(getApplicationContext(),
+                                getString(R.string.error_creating_directory_for_logfiles, ex.getLocalizedMessage()),
+                                Toast.LENGTH_LONG,
+                                GB.ERROR,
+                                ex);
+                    }
+                }
+                return true;
+            }
+
+        });
+
         // Get all receivers of Media Buttons
         Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 3d60e89a..fb65429d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -233,5 +233,6 @@
     <string name="appwidget_alarms_set">An alarm was set for %1$02d:%2$02d</string>
     <string name="device_hw">HW: %1$s</string>
     <string name="device_fw">FW: %1$s</string>
+    <string name="error_creating_directory_for_logfiles">Error creating directory for log files: %1$s</string>
 
 </resources>