diff --git a/main.cc b/main.cc
index 2a60452..0fbb9fa 100644
--- a/main.cc
+++ b/main.cc
@@ -23,8 +23,8 @@ int main(int argc, char * argv[])
 
     static const char pattern[] = "\\<Foo\\d";
     OnigErrorInfo einfo;
-    regex_t regex;
-    rc = onig_new_without_alloc(&regex, (const OnigUChar *)pattern,
+    regex_t * regex;
+    rc = onig_new(&regex, (const OnigUChar *)pattern,
             (const OnigUChar *)(pattern + strlen(pattern)), ONIG_OPTION_NONE,
             ONIG_ENCODING_UTF8, ONIG_SYNTAX_DEFAULT, &einfo);
     if (rc != ONIG_NORMAL)
@@ -35,5 +35,7 @@ int main(int argc, char * argv[])
         return 1;
     }
 
+    onig_free(regex);
+
     return 0;
 }