diff --git a/core/my_basic.c b/core/my_basic.c
index bd3fcdd..b647bb5 100755
--- a/core/my_basic.c
+++ b/core/my_basic.c
@@ -17768,6 +17768,13 @@ static int _std_str(mb_interpreter_t* s, void** l) {
 		mb_realtostr(arg.value.float_point, _CHAR_BUF_PTR(buf), lbuf);
 #endif /* MB_MANUAL_REAL_FORMATTING */
 
+		break;
+	case MB_DT_STRING:
+		lbuf = strlen(arg.value.string) + 1; /* Buffer needs to be as big as the string */
+		_RESIZE_CHAR_BUF(buf, lbuf);
+		char* str = mb_memdup(arg.value.string, lbuf); /* Create a copy of the string */
+		_CHAR_BUF_PTR(buf) = str;
+
 		break;
 	case MB_DT_TYPE: {
 			const char* sp = mb_get_type_string(arg.value.type);