diff --git a/bin/regex-grep-negative b/bin/regex-grep-negative
index bf0f9ed..0081e87 100644
--- a/bin/regex-grep-negative
+++ b/bin/regex-grep-negative
@@ -39,7 +39,7 @@ DEFAULT_CUST_OPS=""
 #      This will be replaced either with custom options
 #      or with the default options.
 
-MY_CHECK="grep --color=always -LnHE \"__CUSTOM_OPT_PLACEHOLDER__\" \"\$1\" || true"
+MY_CHECK="grep -iLE \"__CUSTOM_OPT_PLACEHOLDER__\" \"\$1\" || true"
 
 # Can this check fix the problems?
 ENABLE_FIX=0