diff --git a/contrib/opentracing/include/config.h b/contrib/opentracing/include/config.h
new file mode 100644
index 0000000..3b26365
--- /dev/null
+++ b/contrib/opentracing/include/config.h
@@ -0,0 +1,46 @@
+/***
+ * Copyright 2020 HAProxy Technologies
+ *
+ * This file is part of the HAProxy OpenTracing filter.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+#ifndef _OPENTRACING_CONFIG_H_
+#define _OPENTRACING_CONFIG_H_
+
+#undef  DEBUG_OT_SYSTIME
+#define USE_POOL_BUFFER
+#define USE_POOL_OT_SPAN_CONTEXT
+#define USE_POOL_OT_SCOPE_SPAN
+#define USE_POOL_OT_SCOPE_CONTEXT
+#define USE_POOL_OT_RUNTIME_CONTEXT
+#define USE_TRASH_CHUNK
+
+#define FLT_OT_ID_MAXLEN        64
+#define FLT_OT_MAXTAGS          8
+#define FLT_OT_MAXBAGGAGES      8
+#define FLT_OT_RATE_LIMIT_MAX   100.0
+#define FLT_OT_DEBUG_LEVEL      0b00001111
+
+#endif /* _OPENTRACING_CONFIG_H_ */
+
+/*
+ * Local variables:
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ * End:
+ *
+ * vi: noexpandtab shiftwidth=8 tabstop=8
+ */