diff --git a/src/space.c b/src/space.c
index f2ac5331b31b9e620db6ab6351c694a8271ef83f..b2f9240b72b6dcc73c48548c902de008e4b80444 100644
--- a/src/space.c
+++ b/src/space.c
@@ -2682,7 +2682,7 @@ void space_first_init_gparts(struct space *s,
 
 #ifdef SWIFT_DEBUG_CHECKS
     gp[i].ti_drift = 0;
-    gp[i] ti_kick = 0;
+    gp[i].ti_kick = 0;
 #endif
   }
 }