diff --git a/beos/plotters.cpp b/beos/plotters.cpp
index c2a99fea0..52ab4ec21 100644
--- a/beos/plotters.cpp
+++ b/beos/plotters.cpp
@@ -36,6 +36,7 @@ extern "C" {
 #include "utils/log.h"
 #include "utils/utils.h"
 #include "utils/nsoption.h"
+#include "utils/nsurl.h"
 }
 #include "beos/font.h"
 #include "beos/gui.h"