diff --git a/src/tools.c b/src/tools.c
index f97973cbba55a9a90c66cc58a1b82ea92ddff167..1de30f17c9c46d50857cf3f880c343612104f11b 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -519,8 +519,7 @@ void engine_single_density(double *dim, long long int pid,
 
   /* Dump the result. */
   hydro_end_density(&p, 0);
-  message("part %lli (h=%e) has wcount=%e, rho=%e, rho_dh=%e.", p.id, p.h,
-          p.density.wcount, p.rho, p.rho_dh);
+  message("part %lli (h=%e) has wcount=%e, rho=%e.", p.id, p.h, p.density.wcount, p.rho);
   fflush(stdout);
 }