diff --git a/src/cli.cc b/src/cli.cc
index 68ce65a..68c9c00 100644
--- a/src/cli.cc
+++ b/src/cli.cc
@@ -6,7 +6,6 @@
  * this module from the main one is to allow easy testing.
  */
 
-#include <config.h>
 #include <opustags.h>
 
 #include <errno.h>
diff --git a/src/opustags.h b/src/opustags.h
index 0a909a2..f46ac7b 100644
--- a/src/opustags.h
+++ b/src/opustags.h
@@ -24,6 +24,8 @@
 
 #pragma once
 
+#include <config.h>
+
 #include <iconv.h>
 #include <ogg/ogg.h>
 #include <stdio.h>