diff --git a/srcpkgs/libdrm/patches/fix-noveau-threaded_c-ioctl.patch b/srcpkgs/libdrm/patches/fix-noveau-threaded_c-ioctl.patch
new file mode 100644
index 00000000000..751795ca9b4
--- /dev/null
+++ b/srcpkgs/libdrm/patches/fix-noveau-threaded_c-ioctl.patch
@@ -0,0 +1,12 @@
+--- tests/nouveau/threaded.c
++++ tests/nouveau/threaded.c
+@@ -40,7 +40,7 @@
+
+ static int import_fd;
+
+-int ioctl(int fd, unsigned long request, ...)
++int ioctl(int fd, int request, ...)
+ {
+        va_list va;
+        int ret;
+