diff --git a/src/QGCGeo.cc b/src/QGCGeo.cc
index b3c1f072fc6c60dad760fcfa49886994ab5fe131..d47b7eda3d2b0200b9c009b81bed1081e97241f6 100644
--- a/src/QGCGeo.cc
+++ b/src/QGCGeo.cc
@@ -22,6 +22,7 @@
  ======================================================================*/
 
 #include <cmath>
+#include <limits>
 
 #include "QGCGeo.h"