diff --git a/:chroma/-grep.ch b/:chroma/-grep.ch
index c1f02fa..54309bf 100644
--- a/:chroma/-grep.ch
+++ b/:chroma/-grep.ch
@@ -26,6 +26,10 @@ integer __idx1 __idx2
 } || {
     # Following call, i.e. not the first one.
 
+    if (( in_redirection > 0 || this_word & 128 )) || [[ $__wrd == "<<<" ]]; then
+        return 1
+    fi
+
     # Check if chroma should end – test if token is of type
     # "starts new command", if so pass-through – chroma ends
     [[ "$__arg_type" = 3 ]] && return 2