diff --git a/tests/nouveau/threaded.c b/tests/nouveau/threaded.c
index e1c27c01..ddbac74e 100644
--- a/tests/nouveau/threaded.c
+++ b/tests/nouveau/threaded.c
@@ -36,7 +36,7 @@ static int failed;
 
 static int import_fd;
 
-#ifdef __GLIBC__
+#if defined(__GLIBC__) || defined(__FreeBSD__)
 int ioctl(int fd, unsigned long request, ...)
 #else
 int ioctl(int fd, int request, ...)