diff --git a/src/posix-compat.c b/src/posix-compat.c
index f809a1d..85ff1ce 100644
--- a/src/posix-compat.c
+++ b/src/posix-compat.c
@@ -25,6 +25,7 @@
 #include "posix-compat.h"
 #include "process.h"
 #include "criterion/assert.h"
+#include "criterion/redirect.h"
 
 #ifdef VANILLA_WIN32
 # define VC_EXTRALEAN