diff --git a/pisi/build.py b/pisi/build.py
index eed5afd4..f0e0fd9c 100644
--- a/pisi/build.py
+++ b/pisi/build.py
@@ -351,7 +351,7 @@ class PisiBuild:
                 if fn.endswith(ctx.const.package_prefix):
                     verstr = fn[len(package_name):
                                 len(fn)-len(ctx.const.package_prefix)]
-                    if s.count('-') <= 2:
+                    if verstr.count('-') <= 2:
                         return True
             return False