diff --git a/src/lib/geo/geo.h b/src/lib/geo/geo.h
index d987afe337..e2f3da6f80 100644
--- a/src/lib/geo/geo.h
+++ b/src/lib/geo/geo.h
@@ -48,10 +48,10 @@
 #include "uORB/topics/fence.h"
 #include "uORB/topics/vehicle_global_position.h"
 
-#include "geo/geo_mag_declination.h"
-
 __BEGIN_DECLS
 
+#include "geo/geo_mag_declination.h"
+
 #include <stdbool.h>
 
 #define CONSTANTS_ONE_G					9.80665f		/* m/s^2		*/
diff --git a/src/lib/geo/geo_mag_declination.c b/src/lib/geo/geo_mag_declination.c
index 7b4aa69a2f..b96f877214 100644
--- a/src/lib/geo/geo_mag_declination.c
+++ b/src/lib/geo/geo_mag_declination.c
@@ -43,6 +43,8 @@
 *
 */
 
+#include <geo/geo.h>
+
 
 /** set this always to the sampling in degrees for the table below */
 #define SAMPLING_RES		10