1 files changed, 1 insertions, 1 deletions
diff --git a/template/sizes.c.tmpl b/template/sizes.c.tmpl
index 045e69ee71..146e209db7 100644
--- a/template/sizes.c.tmpl
+++ b/template/sizes.c.tmpl
@@ -7,7 +7,7 @@ class String
   end
 end
 types = ARGF.grep(/^\s*RUBY_CHECK_SIZEOF\((\w[^\[\],#]*)[^#]*\)|
-                   ^\s*check_sizeof\('(\w+)'/x) {$+}
+                   ^\s*check_sizeof\('(.+?)'/x) {$+}
 conditions = {
   "long long" => 'defined(HAVE_TRUE_LONG_LONG)',
 }