diff --git a/artifacts/scripting/headers/sfall.h b/artifacts/scripting/headers/sfall.h
index a6abce18..1961b7ba 100644
--- a/artifacts/scripting/headers/sfall.h
+++ b/artifacts/scripting/headers/sfall.h
@@ -323,10 +323,10 @@
 #define string_compare(str1, str2)                      sfall_func2("string_compare", str1, str2)
 #define string_compare_locale(str1, str2, codePage)     sfall_func3("string_compare", str1, str2, codePage)
 #define string_format(format, a1, a2)                   sfall_func3("string_format", format, a1, a2)
+#define string_tolower(text)                            sfall_func2("string_to_case", text, 0)
+#define string_toupper(text)                            sfall_func2("string_to_case", text, 1)
 #define tile_by_position(x, y)                          sfall_func2("tile_by_position", x, y)
 #define tile_refresh_display                            sfall_func0("tile_refresh_display")
-#define tolower(text)                                   sfall_func1("tolower", text)
-#define toupper(text)                                   sfall_func1("toupper", text)
 #define unjam_lock(obj)                                 sfall_func1("unjam_lock", obj)
 #define unset_unique_id(obj)                            sfall_func2("set_unique_id", obj, -1)
 #define unwield_slot(critter, slot)                     sfall_func2("unwield_slot", critter, slot)
diff --git a/artifacts/scripting/sfall function notes.txt b/artifacts/scripting/sfall function notes.txt
index 6ae70aa6..51c3b0be 100644
--- a/artifacts/scripting/sfall function notes.txt	
+++ b/artifacts/scripting/sfall function notes.txt	
@@ -697,13 +697,9 @@ optional argument:
 - returns the tile number at the x, y position relative to the top-left corner of the screen
 - if the position is outside of the range of tiles, it will return -1
 
-> string sfall_func1("tolower", string text)
-- converts all uppercase letters in the given string to lowercase
-- returns -1 on argument error
-
-> string sfall_func1("toupper", string text)
-- converts all lowercase letters in the given string to uppercase
-- returns -1 on argument error
+> string sfall_func2("string_to_case", string text, int toCase)
+- converts all letters in the given string to the specified case
+- toCase: 0 - lowercase, 1 - uppercase
 
 ------------------------
 ------ MORE INFO -------
diff --git a/sfall/Modules/Scripting/Handlers/Metarule.cpp b/sfall/Modules/Scripting/Handlers/Metarule.cpp
index f93744f8..8b44c3a8 100644
--- a/sfall/Modules/Scripting/Handlers/Metarule.cpp
+++ b/sfall/Modules/Scripting/Handlers/Metarule.cpp
@@ -134,10 +134,9 @@ static const SfallMetarule metarules[] = {
 	{"spatial_radius",          sf_spatial_radius,          1, 1,  0, {ARG_OBJECT}},
 	{"string_compare",          sf_string_compare,          2, 3,  0, {ARG_STRING, ARG_STRING, ARG_INT}},
 	{"string_format",           sf_string_format,           2, 5,  0, {ARG_STRING, ARG_ANY, ARG_ANY, ARG_ANY, ARG_ANY}},
+	{"string_to_case",          sf_string_to_case,          2, 2, -1, {ARG_STRING, ARG_INT}},
 	{"tile_by_position",        sf_tile_by_position,        2, 2, -1, {ARG_INT, ARG_INT}},
 	{"tile_refresh_display",    sf_tile_refresh_display,    0, 0},
-	{"tolower",                 sf_tolower,                 1, 1, -1, {ARG_STRING}},
-	{"toupper",                 sf_toupper,                 1, 1, -1, {ARG_STRING}},
 	{"unjam_lock",              sf_unjam_lock,              1, 1, -1, {ARG_OBJECT}},
 	{"unwield_slot",            sf_unwield_slot,            2, 2, -1, {ARG_OBJECT, ARG_INT}},
 	#ifndef NDEBUG
diff --git a/sfall/Modules/Scripting/Handlers/Utils.cpp b/sfall/Modules/Scripting/Handlers/Utils.cpp
index 4b7604d3..5948fb74 100644
--- a/sfall/Modules/Scripting/Handlers/Utils.cpp
+++ b/sfall/Modules/Scripting/Handlers/Utils.cpp
@@ -466,29 +466,16 @@ void sf_get_text_width(OpcodeContext& ctx) {
 	ctx.setReturn(fo::GetTextWidth(ctx.arg(0).strValue()));
 }
 
-static char* cstrdup(const char* str) {
-	size_t len = strlen(str);
-	const size_t bufMaxLen = ScriptExtender::TextBufferSize() - 1;
-	if (len > bufMaxLen) len = bufMaxLen;
+static std::string strToCase;
 
-	if (len) memcpy(ScriptExtender::gTextBuffer, str, len);
-	ScriptExtender::gTextBuffer[len] = '\0';
+void sf_string_to_case(OpcodeContext& ctx) {
+	strToCase = ctx.arg(0).strValue();
+	if (ctx.arg(1).rawValue())
+		std::transform(strToCase.begin(), strToCase.end(), strToCase.begin(), ::toupper);
+	else
+		std::transform(strToCase.begin(), strToCase.end(), strToCase.begin(), ::tolower);
 
-	return ScriptExtender::gTextBuffer;
-}
-
-void sf_tolower(OpcodeContext& ctx) {
-	auto str = std::string(ctx.arg(0).strValue());
-	std::transform(str.begin(), str.end(), str.begin(), ::tolower);
-
-	ctx.setReturn(cstrdup(str.c_str()));
-}
-
-void sf_toupper(OpcodeContext& ctx) {
-	auto str = std::string(ctx.arg(0).strValue());
-	std::transform(str.begin(), str.end(), str.begin(), ::toupper);
-
-	ctx.setReturn(cstrdup(str.c_str()));
+	ctx.setReturn(strToCase.c_str());
 }
 
 }
diff --git a/sfall/Modules/Scripting/Handlers/Utils.h b/sfall/Modules/Scripting/Handlers/Utils.h
index a5198a48..d9b238da 100644
--- a/sfall/Modules/Scripting/Handlers/Utils.h
+++ b/sfall/Modules/Scripting/Handlers/Utils.h
@@ -77,9 +77,7 @@ void sf_get_string_pointer(OpcodeContext&);
 
 void sf_get_text_width(OpcodeContext&);
 
-void sf_tolower(OpcodeContext&);
-
-void sf_toupper(OpcodeContext&);
+void sf_string_to_case(OpcodeContext&);
 
 }
 }