diff --git a/master.cfg b/master.cfg
index a1f9336..cf1c735 100644
--- a/master.cfg
+++ b/master.cfg
@@ -792,7 +792,7 @@ class RunTestGDBAIX_Common (BuildAndTestGDBFactory):
         self.extra_make_flags = [ 'MAKEINFO=true' ]
         BuildAndTestGDBFactory.__init__ (self, **kwargs)
 
-class RunTestGDBPlainAIX (RunTestGDBPlain_c64t64, RunTestGDBBSD_Common):
+class RunTestGDBPlainAIX (RunTestGDBPlain_c64t64, RunTestGDBAIX_Common):
     """Compiling for AIX"""
     pass