diff --git a/meson.build b/meson.build
index a0289ad..211b01b 100644
--- a/meson.build
+++ b/meson.build
@@ -134,11 +134,13 @@ foreach ident: [
      '''#include <stdlib.h>
         #include <unistd.h>
         #include <signal.h>
+        #include <sys/pidfd.h>
         #include <sys/wait.h>'''],
     ['pidfd_open',
      '''#include <stdlib.h>
         #include <unistd.h>
         #include <signal.h>
+        #include <sys/pidfd.h>
         #include <sys/wait.h>'''],
 ]
     have = cc.has_function(ident[0], prefix: ident[1], args: '-D_GNU_SOURCE')
diff --git a/src/bindings.c b/src/bindings.c
index 13259c1..e760330 100644
--- a/src/bindings.c
+++ b/src/bindings.c
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: LGPL-2.1+ */
 
+#include <sys/pidfd.h>
 #include "config.h"
 
 #include <dirent.h>