diff --git a/src/text/juce_XmlElement.cpp b/src/text/juce_XmlElement.cpp
index a4705f106b..fb780c2181 100644
--- a/src/text/juce_XmlElement.cpp
+++ b/src/text/juce_XmlElement.cpp
@@ -31,6 +31,7 @@ BEGIN_JUCE_NAMESPACE
 #include "juce_XmlElement.h"
 #include "../io/streams/juce_MemoryOutputStream.h"
 #include "../io/files/juce_FileOutputStream.h"
+#include "../threads/juce_Thread.h"
 
 
 //==============================================================================