diff --git a/tools/daca2-getpackages.py b/tools/daca2-getpackages.py
index 6051a24e9..7b8345215 100644
--- a/tools/daca2-getpackages.py
+++ b/tools/daca2-getpackages.py
@@ -41,8 +41,12 @@ def wget(filepath):
 def latestvername(names):
     if len(names) == 1:
         return names[0]
-    names.sort(cmp=semver.cmp, key=lambda x: x[x.index(
-        '_')+1:x.index('.orig.tar')-x.index('_')+1])
+    try:
+        names.sort(cmp=semver.compare, key=lambda x: x[x.index('_')+1:x.index('.orig.tar')])
+    except ValueError:
+        # semver.compare() throws an exception if the version is not formatted
+        # like it is required by semver. For example 0.8 is not valid.
+        pass
     return names[-1]