diff --git a/http_parser.h b/http_parser.h
index ead1e5e..7d46cdf 100644
--- a/http_parser.h
+++ b/http_parser.h
@@ -145,7 +145,16 @@ size_t http_parser_execute (http_parser *parser, const char *data, size_t len);
 
 int http_parser_has_error (http_parser *parser);
 
-int http_parser_should_keep_alive (http_parser *parser);
+static inline int
+http_parser_should_keep_alive (http_parser *parser)
+{
+  if (parser->keep_alive == -1) {
+    if (parser->version_major == 1) return (parser->version_minor != 0);
+    return 0;
+  }
+  return parser->keep_alive;
+}
+
 
 #ifdef __cplusplus
 }
diff --git a/http_parser.rl b/http_parser.rl
index 7368dea..8cc6118 100644
--- a/http_parser.rl
+++ b/http_parser.rl
@@ -488,17 +488,3 @@ http_parser_has_error (http_parser *parser)
   if (parser->error) return 1;
   return parser->cs == http_parser_error;
 }
-
-int
-http_parser_should_keep_alive (http_parser *parser)
-{
-  if (parser->keep_alive == -1)
-    if (parser->version_major == 1)
-      return (parser->version_minor != 0);
-    else if (parser->version_major == 0)
-      return 0;
-    else
-      return 1;
-  else
-    return parser->keep_alive;
-}