Index: src/orca/Gecko.py
===================================================================
--- src/orca/Gecko.py	(revision 2445)
+++ src/orca/Gecko.py	(working copy)
@@ -764,7 +764,11 @@
             label = self._getSpeechForObjectLabel(obj)
             utterances.extend(label)
             name = self._getSpeechForObjectName(obj)
-            if name != label:
+
+            # Handle empty alt tags.
+            #
+            lengthOfName = len(name[0].strip())
+            if (lengthOfName > 0) and (name != label):
                 utterances.extend(name)
 
             # If there's no text for the link, expose part of the
