diff --git a/modular_ss220/modules/cyrillic_key_fixes/code/text.dm b/modular_ss220/modules/cyrillic_key_fixes/code/text.dm
index a3ec83c0465909..d9703708bebf98 100644
--- a/modular_ss220/modules/cyrillic_key_fixes/code/text.dm
+++ b/modular_ss220/modules/cyrillic_key_fixes/code/text.dm
@@ -4,8 +4,8 @@ GLOBAL_LIST_INIT(ru_key_to_en_key, list(
 	"я" = "z", "ч" = "x", "с" = "c", "м" = "v", "и" = "b", "т" = "n", "ь" = "m", "б" = ",", "ю" = "."
 ))
 
-/proc/convert_ru_key_to_en_key(var/_key)
-	var/new_key = lowertext(_key)
+/proc/convert_ru_key_to_en_key(_key)
+	var/new_key = LOWER_TEXT(_key)
 	new_key = GLOB.ru_key_to_en_key[new_key]
 	if(!new_key)
 		return _key
diff --git a/modular_ss220/modules/return_prs/black_mesa/code/factions.dm b/modular_ss220/modules/return_prs/black_mesa/code/factions.dm
index 52f2889b45b7d6..7c723803fe1804 100644
--- a/modular_ss220/modules/return_prs/black_mesa/code/factions.dm
+++ b/modular_ss220/modules/return_prs/black_mesa/code/factions.dm
@@ -3,4 +3,4 @@
 #define FACTION_XEN "xen"
 #define FACTION_HECU "hecu"
 #define FACTION_BLACKOPS "blackops"
-#define FACTION_BLACKMESA "blackmesa"
\ No newline at end of file
+#define FACTION_BLACKMESA "blackmesa"
diff --git a/modular_ss220/modules/tts/code/tts_subsystem.dm b/modular_ss220/modules/tts/code/tts_subsystem.dm
index c4da1cf0f8ee42..c373240981d5d0 100644
--- a/modular_ss220/modules/tts/code/tts_subsystem.dm
+++ b/modular_ss220/modules/tts/code/tts_subsystem.dm
@@ -288,7 +288,7 @@ SUBSYSTEM_DEF(ttsSilero)
 	if(traits & TTS_TRAIT_PITCH_WHISPER)
 		text = provider.pitch_whisper(text)
 
-	var/hash = rustg_hash_string(RUSTG_HASH_MD5, lowertext(text))
+	var/hash = rustg_hash_string(RUSTG_HASH_MD5, LOWER_TEXT(text))
 	var/filename = "sound/tts_cache/[seed.name]/[hash]"
 
 	if(fexists("[filename].ogg"))
@@ -580,7 +580,7 @@ SUBSYSTEM_DEF(ttsSilero)
 			"меде" = "м еде",
 			"кз" = "Кэ Зэ",
 		)
-	var/match = tts_replacement_list[lowertext(word)]
+	var/match = tts_replacement_list[LOWER_TEXT(word)]
 	if(match)
 		return match
 	return word
diff --git a/ss220/tools/ss220_check_grep.sh b/ss220/tools/ss220_check_grep.sh
index 4b716c7a585c38..bd75b8877f57d5 100644
--- a/ss220/tools/ss220_check_grep.sh
+++ b/ss220/tools/ss220_check_grep.sh
@@ -9,4 +9,4 @@ NC="\033[0m" # No Color
 echo -e "${BLUE}Re-running grep checks, but looking in modular_ss220...${NC}"
 
 # Run the linters again, but modular skyrat code.
-sed "s|code/\*\*/\*\.dm|modular_ss220/\*\*/\*\.dm|g" <tools/ci/check_grep.sh | bash
+sed 's/code\/\*\*\/\*\*.dm/modular_ss220\/\*\*\/\*\*.dm/g' <tools/ci/check_grep.sh | bash