diff --git a/lib/simple_config.py b/lib/simple_config.py
index cdbe79562..b7a41ddcc 100644
--- a/lib/simple_config.py
+++ b/lib/simple_config.py
@@ -284,7 +284,7 @@ class SimpleConfig(PrintError):
         depth = 0
         for fee, s in self.mempool_fees:
             depth += s
-            if fee < target_fee:
+            if fee <= target_fee:
                 break
         else:
             return 0