diff --git a/src/cpp_common/combinations.cpp b/src/cpp_common/combinations.cpp
index cef01eab952..41908adf4d7 100644
--- a/src/cpp_common/combinations.cpp
+++ b/src/cpp_common/combinations.cpp
@@ -24,13 +24,12 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
  ********************************************************************PGR-GNU*/
 
-#include "cpp_common/combinations.hpp"
-
 #include <map>
 #include <set>
 #include <deque>
 #include <vector>
 #include <string>
+#include "cpp_common/combinations.hpp"
 #include "cpp_common/pgdata_getters.hpp"
 #include "cpp_common/basePath_SSEC.hpp"