1 files changed, 2 insertions, 0 deletions

diff --git a/core/apps/calibrate/calibrate.cpp b/core/apps/calibrate/calibrate.cpp
index 1f4fb1b..b9ad73d 100644
--- a/core/apps/calibrate/calibrate.cpp
+++ b/core/apps/calibrate/calibrate.cpp
@@ -15,12 +15,14 @@
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 **********************************************************************/
 
+#include <math.h>
+
 #include "calibrate.h"
 
 #include <qpe/resource.h>
 
 #include <qapplication.h>