diff --git a/tools/eclipse/project.py b/tools/eclipse/project.py
index 50644ebe2d..200831689f 100755
--- a/tools/eclipse/project.py
+++ b/tools/eclipse/project.py
@@ -32,7 +32,7 @@ JRE = '/'.join([
 ])
 
 ROOT = path.abspath(__file__)
-for _ in range(0, 3):
+while not path.exists(path.join(ROOT, '.buckconfig')):
   ROOT = path.dirname(ROOT)
 
 opts = OptionParser()
diff --git a/tools/maven/mvn.py b/tools/maven/mvn.py
index 9e36b4839e..6a33bcfe30 100644
--- a/tools/maven/mvn.py
+++ b/tools/maven/mvn.py
@@ -34,7 +34,7 @@ if not args.v:
   exit(1)
 
 root = path.abspath(__file__)
-for _ in range(0, 3):
+while not path.exists(path.join(root, '.buckconfig')):
   root = path.dirname(root)
 
 if 'install' == args.a: