diff --git a/tools/ci/check_grep.sh b/tools/ci/check_grep.sh
index d53cba853df..7e0582c2a5b 100644
--- a/tools/ci/check_grep.sh
+++ b/tools/ci/check_grep.sh
@@ -97,10 +97,11 @@ if $grep '^\t+ [^ *]' $code_files; then
 fi;
 
 section "unit tests"
+unit_test_files="code/modules/unit_tests/**/**.dm"
 part "mob/living/carbon/human usage"
-if $grep 'allocate\(/mob/living/carbon/human[,\)]' code/modules/unit_tests/**/**.dm ||
-	$grep 'new /mob/living/carbon/human\s?\(' ||
-	$grep 'var/mob/living/carbon/human/\w+\s?=\s?new' ; then
+if $grep 'allocate\(/mob/living/carbon/human[,\)]' $unit_test_files ||
+	$grep 'new /mob/living/carbon/human\s?\(' $unit_test_files ||
+	$grep 'var/mob/living/carbon/human/\w+\s?=\s?new' $unit_test_files ; then
 	echo
 	echo -e "${RED}ERROR: Usage of mob/living/carbon/human detected in a unit test, please use mob/living/carbon/human/consistent.${NC}"
 	st=1