diff --git a/src/android/FileHelper.java b/src/android/FileHelper.java
index ccc5e3e..edf1657 100644
--- a/src/android/FileHelper.java
+++ b/src/android/FileHelper.java
@@ -97,10 +97,21 @@ public class FileHelper {
             else if (isDownloadsDocument(uri)) {
 
                 final String id = DocumentsContract.getDocumentId(uri);
-                final Uri contentUri = ContentUris.withAppendedId(
-                        Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
+                if (id != null && id.length() > 0) {
+                    if (id.startsWith("raw:")) {
+                        return id.replaceFirst("raw:", "");
+                    }
+                    try {
+                        final Uri contentUri = ContentUris.withAppendedId(
+                                Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
 
-                return getDataColumn(context, contentUri, null, null);
+                        return getDataColumn(context, contentUri, null, null);
+                    } catch (NumberFormatException e) {
+                        return null;
+                    }
+                } else {
+                    return null;
+                }
             }
             // MediaProvider
             else if (isMediaDocument(uri)) {