diff --git a/src/core.c b/src/core.c
index 5c0ebb74..88cf256b 100644
--- a/src/core.c
+++ b/src/core.c
@@ -11058,11 +11058,12 @@ mdbx_env_set_geometry(MDBX_env *env, intptr_t size_lower, intptr_t size_now,
       (env->me_txn0 && env->me_txn0->mt_owner == mdbx_thread_self());
 
 #if MDBX_DEBUG
-  if (growth_step < 0)
+  if (growth_step < 0) {
     growth_step = 1;
-  if (shrink_threshold < 0)
-    shrink_threshold = 1;
-#endif
+    if (shrink_threshold < 0)
+      shrink_threshold = 1;
+  }
+#endif /* MDBX_DEBUG */
 
   intptr_t reasonable_maxsize = 0;
   bool need_unlock = false;