diff --git a/dom/camera/CameraControlImpl.cpp b/dom/camera/CameraControlImpl.cpp
index 0f94e1615737..1b9de3a67929 100644
--- a/dom/camera/CameraControlImpl.cpp
+++ b/dom/camera/CameraControlImpl.cpp
@@ -6,6 +6,7 @@
 #include "base/basictypes.h"
 #include "mozilla/Assertions.h"
 #include "mozilla/unused.h"
+#include "nsPrintfCString.h"
 #include "nsIWeakReferenceUtils.h"
 #include "CameraCommon.h"
 #include "nsGlobalWindow.h"