diff --git a/src/read.c b/src/read.c
index dcc848838..e3a9d92e0 100644
--- a/src/read.c
+++ b/src/read.c
@@ -1815,7 +1815,7 @@ seffect_earth(struct obj **sobjp)
                       upstart(matbuf), vtense(matbuf, "materialize"),
                       sblessed ? "around" : "above");
             }
-	}
+        }
         gk.known = 1;
         sokoban_guilt();