diff --git a/Makefile b/Makefile
index 607d484..f80ba4b 100644
--- a/Makefile
+++ b/Makefile
@@ -889,7 +889,7 @@
         src/hpack-enc.o src/hpack-huff.o src/ebtree.o src/base64.o             \
         src/hash.o src/dgram.o src/version.o src/fix.o src/mqtt.o src/dns.o    \
         src/server_state.o src/proto_uxdg.o src/init.o src/cfgdiag.o           \
-        src/mjson.o
+        src/mjson.o src/uri_normalizer.o
 
 ifneq ($(TRACE),)
 OBJS += src/calltrace.o
diff --git a/include/haproxy/uri_normalizer.h b/include/haproxy/uri_normalizer.h
new file mode 100644
index 0000000..82ef973
--- /dev/null
+++ b/include/haproxy/uri_normalizer.h
@@ -0,0 +1,24 @@
+/*
+ * include/haproxy/uri_normalizer.h
+ * HTTP request URI normalization.
+ *
+ * Copyright 2021 Tim Duesterhus <tim@bastelstu.be>
+ *
+ * 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.
+ *
+ */
+
+#ifndef _HAPROXY_URI_NORMALIZER_H
+#define _HAPROXY_URI_NORMALIZER_H
+
+#endif /* _HAPROXY_URI_NORMALIZER_H */
+
+/*
+ * Local variables:
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ * End:
+ */
diff --git a/src/uri_normalizer.c b/src/uri_normalizer.c
new file mode 100644
index 0000000..7db47d1
--- /dev/null
+++ b/src/uri_normalizer.c
@@ -0,0 +1,21 @@
+/*
+ * HTTP request URI normalization.
+ *
+ * Copyright 2021 Tim Duesterhus <tim@bastelstu.be>
+ *
+ * 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.
+ *
+ */
+
+#include <haproxy/api.h>
+#include <haproxy/uri_normalizer.h>
+
+/*
+ * Local variables:
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ * End:
+ */