diff --git a/libpkgconf/libpkgconf.h b/libpkgconf/libpkgconf.h
index 0e8d83e..ed860aa 100644
--- a/libpkgconf/libpkgconf.h
+++ b/libpkgconf/libpkgconf.h
@@ -20,9 +20,9 @@
 #include <stdarg.h>
 #include <stddef.h>
 #include <stdbool.h>
+#include <libpkgconf/libpkgconf-api.h>
 #include <libpkgconf/iter.h>
 #include <libpkgconf/bsdstubs.h>
-#include <libpkgconf/libpkgconf-api.h>
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/meson.build b/meson.build
index afb5cf9..131cbd4 100644
--- a/meson.build
+++ b/meson.build
@@ -70,6 +70,7 @@ libpkgconf = shared_library('pkgconf',
   'libpkgconf/pkg.c',
   'libpkgconf/queue.c',
   'libpkgconf/tuple.c',
+  c_args: '-DLIBPKGCONF_EXPORT',
   install : true,
   version : '3.0.0',
   soversion : '3',