diff --git a/common/headless_view.cpp b/common/headless_view.cpp
index 563fd8f24..355206a3e 100644
--- a/common/headless_view.cpp
+++ b/common/headless_view.cpp
@@ -191,7 +191,7 @@ void HeadlessView::make_inactive() {
 #endif
 
 #if MBGL_USE_GLX
-    if (!glXMakeCurrent(x_display, None, nullptr)) {
+    if (!glXMakeCurrent(x_display, None, NULL)) {
         fprintf(stderr, "Removing OpenGL context failed\n");
     }
 #endif