--- a/mobile/android/base/GeckoApp.java
+++ b/mobile/android/base/GeckoApp.java
@@ -2055,17 +2055,17 @@ public abstract class GeckoApp
                 SharedPreferences.Editor editor = prefs.edit();
                 editor.putBoolean(GeckoApp.PREFS_WAS_STOPPED, true);
                 if (rec != null) {
                     rec.recordSessionEnd("P", editor);
                 }
 
                 // If we haven't done it before, cleanup any old files in our old temp dir
                 if (prefs.getBoolean(GeckoApp.PREFS_CLEANUP_TEMP_FILES, true)) {
-                    File tempDir = GeckoLoader.getGREDir(this);
+                    File tempDir = GeckoLoader.getGREDir(GeckoApp.this);
                     FileUtils.delTree(tempDir, new FileUtils.NameAndAgeFilter(null, ONE_DAY_MS), false);
 
                     editor.putBoolean(GeckoApp.PREFS_CLEANUP_TEMP_FILES, false);
                 }
 
                 editor.commit();
 
                 // In theory, the first browser session will not run long enough that we need to