diff --git a/src/FDM/flight.cxx b/src/FDM/flight.cxx
index 2f33024b9..0894a607f 100644
--- a/src/FDM/flight.cxx
+++ b/src/FDM/flight.cxx
@@ -42,7 +42,7 @@
 // world time, so we introduce cur_fdm_state which is extrapolated by
 // the difference between sim time and real world time
 
-FGInterface * cur_fdm_state;
+FGInterface *cur_fdm_state;
 FGInterface base_fdm_state;