diff --git a/yocto-poky/bitbake/bin/bitdoc b/yocto-poky/bitbake/bin/bitdoc
index 576d88b..defb3dd 100755
--- a/yocto-poky/bitbake/bin/bitdoc
+++ b/yocto-poky/bitbake/bin/bitdoc
@@ -462,7 +462,7 @@
     state_group = 2
 
     for key in bb.data.keys(documentation):
-        data   = documentation.getVarFlag(key, "doc")
+        data   = documentation.getVarFlag(key, "doc", False)
         if not data:
             continue