diff --git a/errors.go b/errors.go
index 4a2b846..02a4d22 100644
--- a/errors.go
+++ b/errors.go
@@ -165,8 +165,3 @@ func PyErr_CheckSignals() int {
 func PyErr_SetInterrupt() {
 	C.PyErr_SetInterrupt()
 }
-
-//PySignal_SetWakeupFd : https://docs.python.org/3/c-api/exceptions.html#c.PySignal_SetWakeupFd
-func PySignal_SetWakeupFd(fd uintptr) uintptr {
-	return uintptr(C.PySignal_SetWakeupFd(C.int(fd)))
-}
diff --git a/errors_nix.go b/errors_nix.go
new file mode 100644
index 0000000..1faea5a
--- /dev/null
+++ b/errors_nix.go
@@ -0,0 +1,18 @@
+// Unless explicitly stated otherwise all files in this repository are licensed
+// under $license_for_repo License.
+// This product includes software developed at Datadog (https://www.datadoghq.com/).
+// Copyright 2018 Datadog, Inc.
+
+// +build !windows
+
+package python3
+
+/*
+#include "Python.h"
+*/
+import "C"
+
+//PySignal_SetWakeupFd : https://docs.python.org/3/c-api/exceptions.html#c.PySignal_SetWakeupFd
+func PySignal_SetWakeupFd(fd uintptr) uintptr {
+	return uintptr(C.PySignal_SetWakeupFd(C.int(fd)))
+}