diff --git a/tdeioslave/thumbnail/exrcreator.cpp b/tdeioslave/thumbnail/exrcreator.cpp
index 5708b8996..9ec2dd706 100644
--- a/tdeioslave/thumbnail/exrcreator.cpp
+++ b/tdeioslave/thumbnail/exrcreator.cpp
@@ -26,6 +26,7 @@
 #include <tqfile.h>
 
 #include <ImfInputFile.h>
+#include <ImfHeader.h>
 #include <ImfPreviewImage.h>
 
 #include "exrcreator.h"