diff --git a/src/engine.c b/src/engine.c
index 963c7d89ab33d0807c2214ab7d270bcdbdf98260..7a6724fed70eac2ceef4e533c4193ad6e0621816 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -57,9 +57,9 @@
 #include "timers.h"
 
 const char *engine_policy_names[13] = {
-    "none",          "rand",   "steal",        "keep",
-    "block",         "fix_dt", "cpu_tight",    "mpi",
-    "numa_affinity", "hydro",  "self_gravity", "external_gravity",
+    "none",                 "rand",   "steal",        "keep",
+    "block",                "fix_dt", "cpu_tight",    "mpi",
+    "numa_affinity",        "hydro",  "self_gravity", "external_gravity",
     "cosmology_integration"};
 
 /** The rank of the engine as a global variable (for messages). */