diff --git a/src/android/FileTransfer.java b/src/android/FileTransfer.java
index 2aa4008..22a1ed7 100644
--- a/src/android/FileTransfer.java
+++ b/src/android/FileTransfer.java
@@ -206,6 +206,7 @@ public class FileTransfer extends CordovaPlugin {
                 String headerKey = iter.next().toString();
                 headerKey = headerKey.replaceAll("\\n","")
                         .replaceAll("\\s+","")
+                        .replaceAll(":", "")
                         .replaceAll("[^\\x20-\\x7E]+", "");
 
                 JSONArray headerValues = headers.optJSONArray(headerKey);