diff --git a/bootstrap/buildCoriolis.py b/bootstrap/buildCoriolis.py
index cf5b7843..c72696da 100755
--- a/bootstrap/buildCoriolis.py
+++ b/bootstrap/buildCoriolis.py
@@ -620,6 +620,7 @@ if __name__ == "__main__":
                                     , "scribe"
                                     , "graph"
                                     , "pharos"
+                                    , "isis"
                                     , "schematic"
                                     , "autoDTR"
                                     ]
diff --git a/bootstrap/coriolisEnv.py b/bootstrap/coriolisEnv.py
index f176c40c..47be7172 100755
--- a/bootstrap/coriolisEnv.py
+++ b/bootstrap/coriolisEnv.py
@@ -47,8 +47,8 @@ def guessOs ():
 
     libDir="lib"
     if osSlsoc6x_64.match(lines[0]):
-      osType    = "Linux.slsoc6x_64"
-      libSuffix = "64"
+      osType = "Linux.slsoc6x_64"
+      libDir = "64"
     elif osSlsoc6x.match(lines[0]): osType = "Linux.slsoc6x"
     elif osSLSoC5x_64.match(lines[0]):
       osType = "Linux.SLSoC5x_64"