diff --git a/src/qtgui/guiutils.cpp b/src/qtgui/guiutils.cpp
index 5f895e56..34eba66f 100644
--- a/src/qtgui/guiutils.cpp
+++ b/src/qtgui/guiutils.cpp
@@ -20,6 +20,7 @@ static char rcsid[] = "@(#$Id: guiutils.cpp,v 1.40 2008-11-24 15:23:12 dockes Ex
 #include <unistd.h>
 
 #include <algorithm>
+#include <cstdio>
 
 #include "recoll.h"
 #include "debuglog.h"
diff --git a/src/qtgui/preview_w.h b/src/qtgui/preview_w.h
index 5247c033..41219eeb 100644
--- a/src/qtgui/preview_w.h
+++ b/src/qtgui/preview_w.h
@@ -20,6 +20,7 @@
 
 #include <qvariant.h>
 #include <qwidget.h>
+#include <stdio.h>
 
 #include "rcldb.h"
 #include "refcntr.h"
diff --git a/src/qtgui/spell_w.cpp b/src/qtgui/spell_w.cpp
index 44c91756..a0185959 100644
--- a/src/qtgui/spell_w.cpp
+++ b/src/qtgui/spell_w.cpp
@@ -22,6 +22,7 @@ static char rcsid[] = "@(#$Id: spell_w.cpp,v 1.11 2007-02-19 16:28:05 dockes Exp
 #include <unistd.h>
 
 #include <list>
+#include <stdio.h>
 
 #include <qmessagebox.h>
 #include <qpushbutton.h>