diff --git a/data2tag/bin/data2tag.py b/data2tag/bin/data2tag.py
index 44843db2..daa9bce7 100755
--- a/data2tag/bin/data2tag.py
+++ b/data2tag/bin/data2tag.py
@@ -72,7 +72,7 @@
             if attr in info:
                 for pattern, settags in patterns.items():
                     for value in info[attr]:
-                        if pattern.search(value):
+                        if value and pattern.search(value):
                             for taggroup, tag in settags.items():
                                 if host_tags.get(taggroup) != tag:
                                     tags[taggroup] = tag
diff --git a/data2tag/data2tag-1.3.mkp b/data2tag/data2tag-1.3.mkp
deleted file mode 100644
index 8fd1eace..00000000
Binary files a/data2tag/data2tag-1.3.mkp and /dev/null differ
diff --git a/data2tag/data2tag-1.4.1.mkp b/data2tag/data2tag-1.4.1.mkp
new file mode 100644
index 00000000..d5b47c42
Binary files /dev/null and b/data2tag/data2tag-1.4.1.mkp differ