diff --git a/galaxies.c b/galaxies.c
index 246438d..48c746b 100644
--- a/galaxies.c
+++ b/galaxies.c
@@ -2184,7 +2184,7 @@ static int solver_recurse(game_state *state, int maxdiff)
     struct recurse_ctx rctx;
 
     if (solver_recurse_depth >= MAXRECURSE) {
-        solvep(("Limiting recursion to %d, returning.", MAXRECURSE));
+        solvep(("Limiting recursion to %d, returning.\n", MAXRECURSE));
         return DIFF_UNFINISHED;
     }