diff --git a/makefiles/config_px4fmu-v2_default.mk b/makefiles/config_px4fmu-v2_default.mk
index 256c2a6365..524786f780 100644
--- a/makefiles/config_px4fmu-v2_default.mk
+++ b/makefiles/config_px4fmu-v2_default.mk
@@ -123,6 +123,11 @@ MODULES		+= platforms/nuttx
 #
 MODULES		+= modules/bottle_drop
 
+#
+# PX4 flow estimator, good for indoors
+#
+MODULES		+= examples/flow_position_estimator
+
 #
 # Demo apps
 #