diff --git a/src/examples/ekf_att_pos_estimator/estimator_22states.cpp b/src/examples/ekf_att_pos_estimator/estimator_22states.cpp
index f64a6ed451..c9dcc0322e 100644
--- a/src/examples/ekf_att_pos_estimator/estimator_22states.cpp
+++ b/src/examples/ekf_att_pos_estimator/estimator_22states.cpp
@@ -113,8 +113,8 @@ AttPosEKF::AttPosEKF() :
     varInnovRng(0.0f),
     VtasMeas(0.0f),
     magDeclination(0.0f),
-    latRef(0.0f),
-    lonRef(-M_PI_F),
+    latRef(0.0),
+    lonRef(-M_PI),
     hgtRef(0.0f),
     refSet(false),
     covSkipCount(0),