diff --git a/src/shk.c b/src/shk.c
index 099215697..fd451eaaf 100644
--- a/src/shk.c
+++ b/src/shk.c
@@ -1080,10 +1080,10 @@ shop_keeper(char rmno)
             int hmm UNUSED = 1;
 #if (NH_DEVEL_STATUS != NH_STATUS_RELEASED \
      && NH_DEVEL_STATUS != NH_STATUS_POSTRELEASE)
-                impossible("untrustworthy null shkp; level_status.shkready"
-                           " is FALSE (%d, %d, %d, &d)",
-                           level_status.making, level_status.loading,
-                           level_status.shkready, level_status.ready);
+            impossible("untrustworthy null shkp; level_status.shkready"
+                        " is FALSE (%d, %d, %d, &d)",
+                        level_status.making, level_status.loading,
+                        level_status.shkready, level_status.ready);
 #endif
         }
     }