diff --git a/meson.build b/meson.build
index 8bfeba488..cb3c5bb6b 100644
--- a/meson.build
+++ b/meson.build
@@ -283,7 +283,7 @@ if cc.has_function('sigabbrev_np', prefix : '#include <string.h>', args : [ '-D_
   cdata.set('HAVE_SIGABBREV_NP', 1)
 endif
 
-if cc.get_define('SYS_pidfd_open', prefix : '#include <syscall.h>') != ''
+if cc.get_define('SYS_pidfd_open', prefix : '#include <sys/syscall.h>') != ''
   cdata.set('HAVE_PIDFD_OPEN', 1)
 endif
 
diff --git a/test/meson.build b/test/meson.build
index 715b6b345..03db07a45 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -10,6 +10,7 @@ pwtest_deps = [
   mathlib,
   dl_lib,
   cap_lib,
+  epoll_shim_dep
 ]
 
 pwtest_c_args = [
diff --git a/test/pwtest.c b/test/pwtest.c
index a7e65de69..e0e0429cc 100644
--- a/test/pwtest.c
+++ b/test/pwtest.c
@@ -36,7 +36,9 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <signal.h>
-#include <syscall.h>
+#if HAVE_PIDFD_OPEN
+#include <sys/syscall.h>
+#endif
 #if HAVE_LIBCAP
 #include <sys/capability.h>
 #endif