diff --git a/scripts/cros_mark_chrome_as_stable.py b/scripts/cros_mark_chrome_as_stable.py
index 36fbbea..c174786 100644
--- a/scripts/cros_mark_chrome_as_stable.py
+++ b/scripts/cros_mark_chrome_as_stable.py
@@ -134,10 +134,13 @@
   """
   deps_contents = cros_build_lib.RunCommand(['svn', 'cat', url],
                                             redirect_stdout=True).output
-  platforms = re.search(r'buildspec_platforms.*\s.*\s', deps_contents).group()
 
-  if 'chromeos' in platforms or 'all' in platforms:
-    return True
+  platforms_search = re.search(r'buildspec_platforms.*\s.*\s', deps_contents)
+
+  if platforms_search:
+    platforms = platforms_search.group()
+    if 'chromeos' in platforms or 'all' in platforms:
+      return True
 
   return False