diff --git a/unix/vncviewer/AboutDialog.h b/unix/vncviewer/AboutDialog.h
index 0c796be..c4f0a7c 100644
--- a/unix/vncviewer/AboutDialog.h
+++ b/unix/vncviewer/AboutDialog.h
@@ -25,7 +25,7 @@
 #include "TXMsgBox.h"
 #include "parameters.h"
 
-#include "gettext.h"
+#include <intl/gettext.h>
 #define _(String) gettext (String)
 #define gettext_noop(String) String
 #define N_(String) gettext_noop (String)