diff --git a/configs/ruby/MESI_Three_Level.py b/configs/ruby/MESI_Three_Level.py
index 6d6bc89b90..90e9190cb7 100644
--- a/configs/ruby/MESI_Three_Level.py
+++ b/configs/ruby/MESI_Three_Level.py
@@ -35,7 +35,7 @@ from m5.objects import *
 from m5.defines import buildEnv
 from Ruby import create_topology, create_directories
 from Ruby import send_evicts
-import FileSystemConfig
+from common import FileSystemConfig
 
 #
 # Declare caches used by the protocol
diff --git a/configs/ruby/MOESI_AMD_Base.py b/configs/ruby/MOESI_AMD_Base.py
index d465083023..5c4bbe09c6 100644
--- a/configs/ruby/MOESI_AMD_Base.py
+++ b/configs/ruby/MOESI_AMD_Base.py
@@ -38,7 +38,7 @@ from m5.defines import buildEnv
 from m5.util import addToPath
 from Ruby import create_topology
 from Ruby import send_evicts
-import FileSystemConfig
+from common import FileSystemConfig
 
 addToPath('../')
 
diff --git a/configs/ruby/MOESI_hammer.py b/configs/ruby/MOESI_hammer.py
index ecac17e98a..0b04980a36 100644
--- a/configs/ruby/MOESI_hammer.py
+++ b/configs/ruby/MOESI_hammer.py
@@ -33,7 +33,7 @@ from m5.objects import *
 from m5.defines import buildEnv
 from Ruby import create_topology, create_directories
 from Ruby import send_evicts
-import FileSystemConfig
+from common import FileSystemConfig
 
 #
 # Declare caches used by the protocol