diff --git a/lib/bb/fetch2/wget.py b/lib/bb/fetch2/wget.py
index ca4959ab5..6ac4306c0 100644
--- a/lib/bb/fetch2/wget.py
+++ b/lib/bb/fetch2/wget.py
@@ -539,7 +539,7 @@ class Wget(FetchMethod):
         version_dir = ['', '', '']
         version = ['', '', '']
 
-        dirver_regex = re.compile(r"(?P<pfx>\D*)(?P<ver>(\d+[\.\-_])*(\d+))")
+        dirver_regex = re.compile(r"^(?P<pfx>\D*)(?P<ver>(\d+[\.\-_])*(\d+))$")
         s = dirver_regex.search(dirver)
         if s:
             version_dir[1] = s.group('ver')