diff --git a/libcolorcorrect/geolocator.cpp b/libcolorcorrect/geolocator.cpp
index 7d2f46cb8..e89526eab 100644
--- a/libcolorcorrect/geolocator.cpp
+++ b/libcolorcorrect/geolocator.cpp
@@ -15,6 +15,7 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *********************************************************************/
 #include "geolocator.h"
+#include <cmath>
 
 namespace ColorCorrect
 {