diff --git a/britney2/policies/autopkgtest.py b/britney2/policies/autopkgtest.py
index ab9ea7f..e1fb667 100644
--- a/britney2/policies/autopkgtest.py
+++ b/britney2/policies/autopkgtest.py
@@ -530,7 +530,7 @@ class AutopkgtestPolicy(BasePolicy):
         if src.startswith('gcc-'):
             if re.match('gcc-\d$', src):
                 # add gcc's own tests, if it has any
-                srcinfo = self.britney.sources['unstable'][src]
+                srcinfo = source_suite.sources[src]
                 if 'autopkgtest' in srcinfo.testsuite:
                     tests.append((src, ver))
                 for test in ['binutils', 'fglrx-installer', 'libreoffice', 'linux']: