diff --git a/poky/scripts/lib/devtool/standard.py b/poky/scripts/lib/devtool/standard.py
index bab644b..d140b97 100644
--- a/poky/scripts/lib/devtool/standard.py
+++ b/poky/scripts/lib/devtool/standard.py
@@ -1711,7 +1711,7 @@
 
 def _guess_recipe_update_mode(srctree, rdata):
     """Guess the recipe update mode to use"""
-    src_uri = (rdata.getVar('SRC_URI', False) or '').split()
+    src_uri = (rdata.getVar('SRC_URI') or '').split()
     git_uris = [uri for uri in src_uri if uri.startswith('git://')]
     if not git_uris:
         return 'patch'