diff --git a/python/plugins/GdalTools/tools/GdalTools_utils.py b/python/plugins/GdalTools/tools/GdalTools_utils.py
index 84cf7ddafae..3a4c3eb863f 100644
--- a/python/plugins/GdalTools/tools/GdalTools_utils.py
+++ b/python/plugins/GdalTools/tools/GdalTools_utils.py
@@ -476,6 +476,11 @@ class FileFilter:
 
   @classmethod
   def getFilterName(self, aFilter):
+    if isinstance(aFilter, list):
+      if len(aFilter):
+        aFilter = aFilter[0]
+      else:
+        aFilter = ""
     return string.strip(re.sub('\ \(.*$', '', aFilter))
 
   @classmethod