diff --git a/util/cscope-index.py b/util/cscope-index.py
index 1e653235f0..a27c5ec3c4 100755
--- a/util/cscope-index.py
+++ b/util/cscope-index.py
@@ -46,8 +46,9 @@ def oksuffix(f):
     return False
 
 file_list = file('cscope.files', 'w')
+cwd = os.getcwd()
 
-for dirpath,subdirs,files in os.walk('src'):
+for dirpath,subdirs,files in os.walk(os.path.join(cwd, 'src')):
     # filter out undesirable subdirectories
     for i,dir in enumerate(subdirs):
         if dir == 'SCCS':