diff --git a/src/android/FileTransfer.java b/src/android/FileTransfer.java
index 22a1ed7..610ffe9 100644
--- a/src/android/FileTransfer.java
+++ b/src/android/FileTransfer.java
@@ -204,7 +204,7 @@ public class FileTransfer extends CordovaPlugin {
                  * arbitrary characters, but we donon- not do that encoding here.
                  */
                 String headerKey = iter.next().toString();
-                headerKey = headerKey.replaceAll("\\n","")
+                String cleanHeaderKey = headerKey.replaceAll("\\n","")
                         .replaceAll("\\s+","")
                         .replaceAll(":", "")
                         .replaceAll("[^\\x20-\\x7E]+", "");
@@ -224,7 +224,8 @@ public class FileTransfer extends CordovaPlugin {
                     headerValues.put(finalValue);
                 }
 
-                connection.setRequestProperty(headerKey, headerValues.getString(0));
+                //Use the clean header key, not the one that we passed in
+                connection.setRequestProperty(cleanHeaderKey, headerValues.getString(0));
                 for (int i = 1; i < headerValues.length(); ++i) {
                     connection.addRequestProperty(headerKey, headerValues.getString(i));
                 }