diff --git a/src/engine.c b/src/engine.c
index ee184e8ef317013145414a3d11b4f3d85d745a58..52a2e13c0f981a973b7f1fedd4621127c916d70c 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -4020,7 +4020,7 @@ void engine_collect_stars_counter(struct engine *e) {
   }
 
   free(n_sparts);
-  free(n_sparts_in);
+  free(n_sparts_int);
   free(sparts);
 #endif
 }