diff --git a/subcmds/forall.py b/subcmds/forall.py
index 76a0268..2ece95e 100644
--- a/subcmds/forall.py
+++ b/subcmds/forall.py
@@ -141,12 +141,16 @@
       for cn in cmd[1:]:
         if not cn.startswith('-'):
           break
-      if cn in _CAN_COLOR:
+      else:
+        cn = None
+      # pylint: disable-msg=W0631
+      if cn and cn in _CAN_COLOR:
         class ColorCmd(Coloring):
           def __init__(self, config, cmd):
             Coloring.__init__(self, config, cmd)
         if ColorCmd(self.manifest.manifestProject.config, cn).is_on:
           cmd.insert(cmd.index(cn) + 1, '--color')
+      # pylint: enable-msg=W0631
 
     mirror = self.manifest.IsMirror
     out = ForallColoring(self.manifest.manifestProject.config)