diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/ZipFile.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/ZipFile.java
index e985fcf5c..abd9b8e20 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/ZipFile.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/ZipFile.java
@@ -23,12 +23,20 @@ public class ZipFile implements AutoCloseable {
 
    /**
     * Open ZIP file from byte array in memory
-    * @param zipBytes
+    * @param zipBytes data to handle as a ZIP file
     */
    public ZipFile(byte[] zipBytes) {
       zipInputStream = new ZipInputStream(new ByteArrayInputStream(zipBytes));
    }
 
+   /**
+    * Open ZIP file from InputStream
+    * @param inputStream data to handle as a ZIP file
+    */
+   public ZipFile(InputStream inputStream) {
+      zipInputStream = new ZipInputStream(inputStream);
+   }
+
    /**
     * Checks if data resembles a ZIP file.<br>
     * The check is not infallible: it may report self-extracting or other exotic ZIP archives as not a ZIP file, and it may report a corrupted ZIP file as a ZIP file.