diff --git a/backportpackage b/backportpackage
index 903ad1d..b0374a7 100755
--- a/backportpackage
+++ b/backportpackage
@@ -196,7 +196,7 @@ def do_build(workdir, package, release, bp_version, builder, update):
     return builder.build(os.path.join(workdir,
                                       '%s_%s.dsc' % (package, bp_version)),
                          release,
-                         workdir)
+                         os.path.join(workdir, "buildresult"))
 
 def do_upload(workdir, package, bp_version, upload):
     print 'Please check %s %s in file://%s carefully!' % \
diff --git a/ubuntutools/builder.py b/ubuntutools/builder.py
index ee88876..ca04473 100644
--- a/ubuntutools/builder.py
+++ b/ubuntutools/builder.py
@@ -31,6 +31,10 @@ class Builder(object):
         process = subprocess.Popen(cmd, stdout=subprocess.PIPE)
         self.architecture = process.communicate()[0].strip()
 
+    def build_preparation(self, result_directory):
+        if not os.path.isdir(result_directory):
+            os.makedirs(result_directory)
+
     def get_architecture(self):
         return self.architecture
 
@@ -43,6 +47,7 @@ class Pbuilder(Builder):
         Builder.__init__(self, "pbuilder")
 
     def build(self, dsc_file, dist, result_directory):
+        self.build_preparation(result_directory)
         # TODO: Do not rely on a specific pbuilder configuration.
         cmd = ["sudo", "-E", "DIST=" + dist, "pbuilder", "--build",
                "--distribution", dist, "--architecture", self.architecture,
@@ -62,6 +67,7 @@ class Pbuilderdist(Builder):
         Builder.__init__(self, "pbuilder-dist")
 
     def build(self, dsc_file, dist, result_directory):
+        self.build_preparation(result_directory)
         cmd = ["pbuilder-dist", dist, self.architecture,
                "build", dsc_file, "--buildresult", result_directory]
         Logger.command(cmd)
@@ -78,6 +84,7 @@ class Sbuild(Builder):
         Builder.__init__(self, "sbuild")
 
     def build(self, dsc_file, dist, result_directory):
+        self.build_preparation(result_directory)
         workdir = os.getcwd()
         Logger.command(["cd", result_directory])
         os.chdir(result_directory)
diff --git a/ubuntutools/sponsor_patch/main.py b/ubuntutools/sponsor_patch/main.py
index c3334b2..6e6cc11 100644
--- a/ubuntutools/sponsor_patch/main.py
+++ b/ubuntutools/sponsor_patch/main.py
@@ -396,9 +396,7 @@ def main(bug_number, update, build, edit, keyid, upload, workdir, builder,
 
         if build:
             dist = re.sub("-.*$", "", changelog.distributions)
-            buildresult = os.path.join(workdir, task.package + "-buildresult")
-            if not os.path.isdir(buildresult):
-                os.makedirs(buildresult)
+            buildresult = os.path.join(workdir, "buildresult")
 
             successful_built = False
             while not successful_built: